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The safest way to 100% a game is to identify every missable requirement before you start, choose a route that matches your tolerance for spoilers and replay, and keep a live record of what you have completed. Achievement behavior is specific to the game, platform, edition and downloadable content. Some titles let you return after the final mission; others permanently close a branch, encounter or collectible opportunity. Treat the achievement list and a current, game-specific roadmap as your planning documents, not as interchangeable checklists.
Decide what “100%” means for your run
There is no universal definition of 100%. Before choosing a route, write down the exact finish line you want. A platform profile may show all base-game achievements, a platinum trophy, or every trophy in a bundle that also includes downloadable content. A game may separately display an in-game completion percentage for maps, challenges or collectibles. Those targets can overlap without being identical.
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- Platform completion: every achievement on Xbox, every trophy on PlayStation, or every listed achievement on PC for the edition you own.
- Platinum completion: the platform’s platinum trophy plus the trophies required to earn it. Additional DLC trophies may sit outside the platinum set.
- Base game plus DLC: the original list and every add-on list you intend to finish. DLC can have its own missables, difficulty rules and online requirements.
- In-game completion: the percentage or checklist shown inside the game. It may include tasks that never award a platform achievement, or omit achievements tied to difficulty, multiplayer or alternate endings.
Record the platform, edition, region if relevant, update state and DLC scope in the first line of your notes. Remedy’s official CONTROL Ultimate Edition guide, for example, says that its achievement and trophy lists are completely identical on PlayStation, Xbox and Steam. That statement applies to that edition; it is not a rule for every game sold on those platforms.
Audit the achievement list before launching the game
Use the platform list as the source of truth for your account
Open the achievement or trophy page for the exact product you are about to play. Read hidden entries by revealing their descriptions where the platform allows it. Note whether a requirement mentions a chapter, character, difficulty, number of players, date, location, ending or a named item. Take a screenshot or copy the list into a checklist so you can compare it with your later progress.
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Find a current, game-specific roadmap
A roadmap should identify missables, recommended order, cleanup availability, estimated point of no return, and any differences between platforms or editions. Check its publication date and revision notes. A community-maintained Steam curator list is useful for discovering that a game may contain missables, but its labels and counts can change and should be cross-checked against a current guide for the particular title.
Do not rely on a generic “all achievements” page that combines several editions. A remaster can add, remove or alter achievements; a complete edition can bundle DLC with different requirements; and an update can change when an achievement triggers. If the guide does not name your edition and platform, treat its route as unverified until you confirm each requirement against your own list.
Check the five risk flags
| Risk flag | What to look for | Why it changes your route |
|---|---|---|
| Irreversible choice | Dialogue, allegiance, romance, execution or faction decisions that close another outcome | You may need a pre-choice save, a second playthrough or a guide-led sequence. |
| One-time encounter | An enemy, NPC, event, minigame or environmental interaction that disappears after a chapter or action | Missing it can require replaying a large section rather than free-roam cleanup. |
| Collectible or challenge | Items, objectives or counters tied to a specific mission, map state or difficulty | Mark each item as you obtain it; do not assume a later chapter revisits it. |
| Online or time-limited task | Co-op, matchmaking, seasonal event, leaderboard, server or real-world date requirement | Availability may depend on other players, a live service or a deadline. |
| Edition and DLC boundary | Separate lists, chapter packs, expansions or platform-exclusive entries | Your base-game route may not cover the content counted in your intended 100%. |
Map every achievement by reversibility
Copy each entry into a working sheet and assign it one of four statuses. This turns a long list into decisions you can act on without reading every spoiler in a guide.
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- Conditional: it requires a difficulty, loadout, score, conversation order or other condition, but the opportunity remains available.
- Point-of-no-return: it depends on a choice, mission or state that cannot be recreated after you pass it.
- Availability risk: it depends on servers, another player, a timed event or content that could be removed.
For every conditional or risky entry, add four notes: the trigger, the latest safe moment, the recovery method and the guide section that verifies it. “Collect all herbs” is not enough; your note should say whether herbs respawn, whether the counter is shared across saves, and whether the final area locks earlier zones. If the guide cannot answer those questions, label the item uncertain rather than assuming it is safe.
Choose the route that fits your spoiler tolerance
There are three defensible ways to play. The right choice depends on how costly a missed opportunity would be to you, not on a universal rule that every completionist should follow.
| Route | Missable risk | Spoiler exposure | Replay burden | Best fit |
|---|---|---|---|---|
| Blind first run | Highest unless the game is confirmed cleanup-friendly | Lowest | Potentially high | You value discovery and accept a second run if necessary. |
| Spoiler-light missables checklist | Low for flagged points | Low to moderate | Usually low | There are only a few irreversible tasks and you want to preserve the story. |
| Full step-by-step roadmap | Lowest when the guide is accurate and edition-matched | Highest | Usually lowest | You want one efficient completion and do not mind route or story spoilers. |
When a blind run is sensible
Play blind when a current guide confirms that missed tasks remain available, or when the missables are few and you are comfortable replaying a chapter. Keep a short note containing only the chapter names and decisions you must revisit. This preserves most discovery while preventing a single irreversible mistake from surprising you.
When to use a spoiler-light checklist
Use a low-spoiler list when the guide identifies a handful of one-time events. Write neutral instructions such as “make a manual save before the courthouse choice” or “finish the three arena rounds before leaving the district.” Hide character names, outcomes and reward descriptions unless you need them to distinguish two similar tasks.
When a full roadmap is justified
Follow a detailed route when achievements depend on a precise order, several mutually exclusive endings, large collectible sets, online partners or a difficulty run that you do not want to repeat. Read the guide one section at a time rather than scrolling through the entire story. Stop at each checkpoint and confirm that your game’s version and edition match the guide.
Build a progress record that survives interruptions
Use one authoritative checklist
Keep the platform list and your game-specific sheet side by side. Give each item a checkbox, the exact in-game trigger, the save or chapter where it belongs, and a verification field. Use three states—planned, attempted and unlocked—so an action you performed but that failed to register does not disappear from your notes.
Protect irreversible decisions
- Reach the point identified by the roadmap as the last safe moment.
- Create a manual save in a clearly named slot if the game supports multiple saves.
- Record the save slot, chapter, difficulty and relevant choices in your sheet.
- Complete the requirement and confirm the platform notification or achievement page update.
- Only then overwrite or advance beyond the backup save.
A save-and-reload strategy is not guaranteed to work in every title. Some games autosave the decision immediately, share state across slots, or attach the achievement to a hidden profile flag. Test the behavior with a low-stakes choice before relying on it for the final branch.
Track collectibles at the smallest useful unit
Record area, chapter and item number instead of writing “all collectibles.” If a counter is global, note the total before and after a pickup. If the game has a chapter-select screen, use it as a second audit, not as proof that every item registered. A guide’s cleanup section may require a new save or a specific difficulty, so preserve the original file until the counter and achievement both update.
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Play the story while protecting the checklist
Pause at every flagged decision
When your notes say “irreversible,” stop before the dialogue, door, boss, mission launch or fast-travel prompt that begins it. Confirm the save exists, then read only the instruction needed for the current branch. Avoid searching the character or ending name if a neutral description is enough; search results and thumbnails can reveal more than the achievement itself.
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Verify triggers instead of assuming success
Some achievements unlock at the moment of an action; others appear after a cutscene, mission completion, statistics screen or return to the hub. Wait for the expected trigger, check the platform list, and mark the item unlocked. If nothing appears, do not continue for hours on the assumption that it will eventually pop. Capture the chapter, difficulty, loadout and exact action while the details are fresh.
Separate story progress from cleanup progress
Do not spend a collectible or currency required for an achievement until the roadmap says it is safe. Keep a reserve for upgrades, crafting or challenge thresholds. When a task can be completed in either the story route or free roam, prefer the earlier opportunity only if the guide confirms that the state persists; otherwise, schedule it for the documented cleanup window.
Plan online and timed requirements early
Attempt multiplayer, co-op and event achievements before finishing the entire single-player list. Confirm that matchmaking, invitations and the relevant mode are currently available on your platform. For a real-world deadline, write the end date and time zone in your notes. A route that is perfect offline can still fail if the required service, event or partner is no longer accessible.
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Multiple endings are often the largest source of accidental replay. First determine whether the game lets you reload a pre-ending save, select chapters, or continue in the world after the credits. If it does, reserve a save immediately before the final commitment and branch from that file. If it does not, plan the endings as separate runs and assign each run its own missables rather than trying to improvise at the finale.
Do not assume that earning one ending unlocks the conditions for another. Some games require a relationship level, collectible set, difficulty or sequence of earlier choices. Put those prerequisites in the route where they occur, not in a vague “ending cleanup” note.
Know what post-game cleanup really allows
“You can clean up after the story” is a game-specific claim. It may mean unrestricted free roam, chapter select with retained counters, a final-mission replay, or nothing at all. Read the guide’s cleanup section for your edition and confirm what carries over.
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CONTROL Ultimate Edition is a documented cleanup-friendly example. Remedy’s official “100% Achievements & Trophies Guide” states: “There are absolutely no missable trophies in the Ultimate Edition; you can return to the Oldest House after the credits roll to clean up any remaining tasks.” That guidance is limited to the Ultimate Edition. It should not be generalized to another edition or another game.
If free roam is unavailable, use the earliest safe backup to replay the required section. If the game offers chapter select, check whether selecting a chapter changes your main save, resets collectibles, or preserves difficulty and inventory. Make a separate backup before experimenting so a cleanup attempt cannot damage your primary route.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Include DLC, platform differences and updates in the final audit
DLC scope
Mark each expansion as included or excluded before you begin. DLC may appear in a separate platform list, may not count toward a platinum, or may add achievements that require a new area with its own missables. Finish the base-game route first only when the guide confirms that doing so will not lock DLC access or alter a required state.
Platform and edition differences
Compare achievement names and descriptions, not just the game title. A “complete edition” can include extra lists; a remaster can change a trigger; and one platform can omit an entry available elsewhere. If your list contains an item absent from the guide, stop and find an edition-matched explanation before continuing.
Patches and version changes
Record the game version when you start. Updates can fix an achievement, change a spawn, alter a difficulty condition or introduce a new bug. A roadmap written before a major update may still be useful, but its route needs confirmation at every version-sensitive step.
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Troubleshoot an achievement that did not unlock
The requirement may not have been fully met
Re-read the exact platform description and compare it with your notes. Check hidden subconditions such as difficulty, no-damage rules, a specific weapon, a time limit, an optional objective or a required order. “Complete the mission” may mean completing every side objective, not merely reaching the end.
The trigger may be delayed
Finish the current encounter, leave the area, open the statistics or results screen, and allow the game to save. Then check the platform list. Do not repeatedly perform the same action without recording which state changed; that makes it harder to identify the missing condition.
The save may be in the wrong state
Verify the difficulty, character, mode, chapter and edition. A chapter-select replay may award progress differently from a normal run. If the guide recommends a pre-choice save, reload that file rather than an autosave created afterward.
The platform or service may be at fault
Check whether other achievements synchronize normally. If several are delayed, restart the game and platform client only after preserving the relevant save. For online requirements, confirm that the session completed successfully and that the service was connected. Do not delete local data or overwrite a backup while troubleshooting.
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Compare the guide’s wording, platform and edition with your current list. Community labels are discovery aids, not guarantees. Look for an update note or a newer route before concluding that the achievement is broken.
What common examples do—and do not—prove
Steam’s community curator examples show why a title-by-title audit matters: Metro 2033 Redux is listed with one reported missable achievement, while Graveyard Keeper has multiple missables across the base game and listed DLC. These are examples of variation, not a population statistic. No representative rate was established for how many games contain missables or how often players complete 100% runs successfully, so do not use any single curator count to estimate your odds across all games.
Final 100% verification checklist
- Platform, edition, region and game version are written at the top of your notes.
- Your target is explicit: base game, platinum, all platform lists, in-game percentage, DLC, or a defined combination.
- Every achievement has been classified as safe, conditional, point-of-no-return or availability risk.
- Branching choices, one-time encounters, collectibles, endings and difficulty requirements have a documented route.
- Online, multiplayer and time-limited tasks were checked while they were still available.
- Manual backups exist before irreversible decisions, and you verified how reloads behave in this game.
- Your checklist distinguishes attempted tasks from achievements that the platform has actually unlocked.
- The cleanup section has been tested for your edition; post-credit free roam is never assumed.
- DLC lists and platform-specific entries are included or deliberately excluded from the stated target.
- The platform list is fully unlocked, and the in-game completion screen matches your separate target if you chose one.
The practical definition of a no-regrets 100% run is not “follow the longest checklist.” It is knowing which moments cannot be repeated, protecting those moments with verified saves and notes, and choosing how much guidance to use before the first launch. Once the platform, edition and scope are fixed, the rest is a controlled sequence of decisions rather than a gamble at the credits.
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