A newly documented arbitrary code execution (ACE) route lets players manipulate the original Super Mario Bros. so the game executes data as instructions and reaches an alternate game end. It was recorded in the Famicom Disk System version as a tool-assisted speedrun (TAS), not as a faster conventional speedrun record. The similarly named New Super Mario Bros. is a separate game and is not involved.
Which Super Mario game has the new ACE trick?
The finding concerns the original Super Mario Bros. for the Famicom Disk System. It does not concern the later game titled New Super Mario Bros., nor does the documented record establish that the route works on an NES cartridge.
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TASVideos’ movie record describes the goal as ending the game through arbitrary code execution rather than defeating Bowser. The related submission discussion documents the credited authors and route context.
What does ACE mean in Mario?
ACE, short for arbitrary code execution, is a glitch technique that lets a player manipulate the game’s state so the program executes chosen data as instructions. Rather than merely skipping a section or triggering a normal game event, ACE can redirect what the game runs. In this demonstration, it creates a route to a game end without completing the usual Bowser fight.
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- Younger and less-experienced players will love playing as Toadette, who is brand new to both games, and Nabbit, who was formerly only playable in New Super Luigi U. Both characters offer extra assistance during play.
- Multiplayer sessions are even more fun, frantic, and exciting thanks to entertaining character interactions. Need a boost? Try jumping off a teammate’s head or getting a teammate to throw you.
- Features a wealth of help features, like a Hints gallery, reference videos, and a Super Guide in New Super Mario Bros. U that can complete levels for you if they’re giving you trouble.
- Three additional modes—Boost Rush, Challenges, and Coin Battle—mix up gameplay and add replayability, while also upping the difficulty for players who want to try something harder. Players can use their Mii characters in these modes.
GamesRadar+ attributes this explanation to speedrunner Kosmic: “This glitch means we choose what code the game executes.” The outlet’s April 3, 2026 report gives a broader overview of the discovery.
What did the TAS achieve?
TASVideos lists the Famicom Disk System game-end movie at 05:29.957. The record credits threecreepio, OnehundredthCoin, HappyLee, Simplistic6502, and Kosmic. This is a tool-assisted run: its time and recorded sequence demonstrate the route under TAS conditions, not that a person has performed the same sequence in an ordinary run.
Rank #2
- A variety of playable characters are available, some with unique attributes that affect gameplay and platforming physics.
- Younger and less-experienced players will love playing as Toadette, who is brand new to both games, and Nabbit, who was formerly only playable in New Super Luigi U. Both characters offer extra assistance during play.
- Multiplayer sessions are even more fun, frantic, and exciting thanks to entertaining character interactions. Need a boost? Try jumping off a teammate’s head or getting a teammate to throw you!
- Features a wealth of help features, like a Hints gallery, reference videos**, and a Super Guide in New Super Mario Bros. U that can complete levels for you if they’re giving you trouble.
- Three additional modes—Boost Rush, Challenges, and Coin Battle—mix up gameplay and add replayability, while also upping the difficulty for players who want to try something harder. Players can use their Mii characters in these modes!
The movie’s stated objective is different from conventional completion. TASVideos says the ACE route is slower than the regular run, so the 05:29.957 result does not establish a new faster conventional speedrun record. It is a demonstration of a newly documented way to manipulate the game and reach an alternate ending.
How is the route different from a normal speedrun?
| Aspect | Conventional completion or speedrun | ACE game-end TAS |
|---|---|---|
| Goal | Complete the game by its regular route, including the usual Bowser finish. | Reach a game end by having the game execute manipulated data as code. |
| Recorded result | The relevant comparison is the regular run; a specific time is not stated here. | 05:29.957, listed by TASVideos in 2026 for the Famicom Disk System movie. |
| Run type | Ordinary speedrun; this record does not specify a particular human-run method. | Tool-assisted speedrun, credited to five authors on TASVideos. |
| Speed comparison | Faster than this ACE route, according to the TASVideos movie description. | Slower than the regular run; not evidence of a faster conventional record. |
Does the trick work on NES or New Super Mario Bros.?
The documented route is for the Famicom Disk System release of the original Super Mario Bros. The available TASVideos record does not establish compatibility with the NES cartridge version, so it would be inaccurate to present an NES cartridge as sufficient for this specific demonstration. The separate New Super Mario Bros. title is not the game in the record.
Rank #3
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GamesRadar+ quoted Kosmic cautioning against treating the ACE route as ordinary completion: “No one thinks this is, like, actually the same as beating the game normally.”
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