36 similar games
Games like Project X-treme
Browser games that play like Project X-treme, closest match first. Lime means it runs right here.

Project X-Treme is a remake of the cancelled "Sonic X-Treme" made by STI (Sega Technical Institute), which was cancelled in 1996 The games below have the most in common with it — unofficial, fangame, platform — ranked by how closely they match, favouring the ones you can play right here in your browser.
Top picks
The 10 closest to Project X-treme
- Super Mario Bros. Star ScrambleOffline
Mushroom Kingdom is in danger! In common: unofficial, fangame, platform.
- A Hat on TimePlays on eggnog.itch.io
Grab all 30 time pieces in this short platformer, based on the game A Hat in Time! In common: unofficial, fangame, platform.
- Knuckles QuestPlays on iggyminious.itch.io
Knuckles Quest is a continuation of the treasure hunting gameplay style that was present in Sonic Adventure and Sonic Adventure 2, now with a custom framework… In common: unofficial, fangame, platform.
- RTA Run!!Plays on cic-ada.itch.io
RTA Run!! In common: unofficial, fangame, platform.
- Super Smash Flash 2Plays here
Super Smash Flash 2 is a crossover fighting game based on Nintendo's Super Smash Bros. In common: unofficial, fangame, platform.
- Super Smash FlashPlays here
Choose your characters and options and battle it out with 28 different characters in the original title that started it all – Super Smash Flash! In common: unofficial, fangame, platform.
- Evil Elves II DeluxePlays here
The Evil Elves are back at it again with a brand new remake, just in time for the holiday season! In common: unofficial, fangame, platform.
- Infinite Mario Bros.Plays here
A browser game that procedurally generates platformer levels with graphics, sound and mechanics based on a combination of Super Mario Bros. In common: unofficial, fangame, platform.
- Puke the Pirate: RebarfedPlays here
The grossest pirate is back with a brand new remake of Puke the Pirate! In common: unofficial, fangame, platform.
- Sonic 3000Plays here
A fast-paced Sonic fan game with an improved moveset and no speedcap. In common: unofficial, fangame, platform.
All matches
Every game like Project X-treme
DelistedSuper Mario Bros. Star Scramble
Unofficial · 2010
PlayableA Hat on Time
Demake · 2018
PlayableKnuckles Quest
Unofficial
PlayableRTA Run!!
Exploration · 2024
PlayableBetaSuper Smash Flash 2
Anime · 2017
PlayableSuper Smash Flash
Pokemon · 2006
PlayableEvil Elves II Deluxe
Unofficial · 2023
PlayableInfinite Mario Bros.
Procedural Generation · 2006
PlayablePuke the Pirate: Rebarfed
Unofficial · 2024
PlayableSonic 3000
Open Source
PlayableBetaSuper Mario Construct
Unofficial · 2019
PlayableBetaSuper Mario Construct 2: Yoshi's Fabrication Station
Unofficial · 2021
PlayableSuper Mario Flash
Unofficial · 2007
PlayableTransylmania Deluxe
Unofficial · 2023
PlayablePac Adventure: Dracula's Castle
Unofficial · 2007
PlayableFuz
Demake · 2019
PlayableKirby and the Forgotten Land
Homebrew · 2022
PlayableUltimate Flash Sonic
Newgrounds · 2004
PlayableMario Kills Tanooki
Bloody · 2011
PlayableNSMB: Mario vs. Luigi Online
Unofficial · 2022
Playable222.22
Unofficial
PlayableA Koopa's Revenge 2
Unofficial · 2014
PlayableKlonoa: Project Moonlight
Unofficial
PlayableNew Super Mario Bros. Versus
Unofficial · 2022
PlayableSkippy the Bot
Unofficial · 2021
PlayableSnakeBird NES
Casual · 2021
PlayableSonic Origins Pocket Edition
Unofficial · 2022
PlayableSonic Paradigm
Unofficial · 2020
PlayableSonic Unfair 2
Unofficial · 2016
PlayableS.T.A.L.K.E.R. 1989
2D · 2021
PlayableStealth The Hedgehog
Unofficial · 2024
PlayableSuper Chick Sisters
Parody · 2007
PlayableSuper Mario Bros. Mini
Open Source · 2024
PlayableThe New Adventures of Sonic the Hedgehog
Unofficial
PlayableThe Noise's Jam-Packed Radical Mini Mayhem!
Unofficial · 2024

Sprunki vs MCCraft
Minecraft · 2025