36 similar games
Games like Ultimate Flash Sonic
Browser games that play like Ultimate Flash Sonic, closest match first. Lime means it runs right here.

Ultimate Flash Sonic is a 2-D side scroller made by Dennis-Gid. The games below have the most in common with it — fangame, unofficial, sonic fangame — ranked by how closely they match, favouring the ones you can play right here in your browser.
Top picks
The 10 closest to Ultimate Flash Sonic
- Sonic Unfair 2Plays on gamejolt.com
In common: sonic fangame, unofficial, fangame.
- NSMB: Mario vs. Luigi OnlinePlays on ipodtouch0218.itch.io
A Unity-standalone 2-10 player remake of the Mario vs. In common: unofficial, fangame, platform.
- Super Mario WarOffline
Super Mario War is an open-source, cross-platform, platform-adventure video game and level editor released on 16 December 2006. In common: unofficial, fangame, platform.
- Blaze the Cat Dress UpPlays on newgrounds.com
In common: sonic fangame, newgrounds, fangame.
- Sonic PacmanPlays on newgrounds.com
An unofficial Pac-Man clone where Pac-Man is replaced by Sonic the Hedgehog. In common: sonic fangame, unofficial, fangame.
- Domo-kun Angry Smashfest!Plays on i-mockery.com
Play as Domo-Kun and take down those pesky power puff girls! In common: newgrounds, unofficial, fangame.
- Final Fantasy Sonic X: Episode 1Plays on newgrounds.com
The first installment to the FFSX series. In common: sonic fangame, unofficial, fangame.
- Tails' Nightmare 2
Tails' Nightmare 2 is the sequel to the Sonic the Hedgehog fangame Tails' Nightmare released for browsers on 16th November 2010. In common: sonic fangame, unofficial, fangame.
- The Legend of Zelda: The Lampshade of No Real SignificancePlays on newgrounds.com
A fan-made parody flash video game originally created for Newgrounds by The Super Flash Bros. In common: newgrounds, unofficial, fangame.
- Sonic 3000Plays here
A fast-paced Sonic fan game with an improved moveset and no speedcap. In common: sonic fangame, unofficial, fangame.
All matches
Every game like Ultimate Flash Sonic
PlayableSonic Unfair 2
Unofficial · 2016
PlayableNSMB: Mario vs. Luigi Online
Unofficial · 2022

Super Mario War
Open Source · 2006
PlayableBlaze the Cat Dress Up
Newgrounds · 2009
PlayableSonic Pacman
Unofficial · 2003
PlayableDomo-kun Angry Smashfest!
Newgrounds · 2002
PlayableFinal Fantasy Sonic X: Episode 1
Unofficial · 2004

Tails' Nightmare 2
Unofficial · 2010
PlayableThe Legend of Zelda: The Lampshade of No Real Significance
Newgrounds · 2005
PlayableSonic 3000
Open Source
PlayableAmazing Sonic Scene Creator 2
Unofficial · 2007
PlayableSuper Smash Flash
Pokemon · 2006
PlayableKnuckles Quest
Unofficial
PlayableStealth The Hedgehog
Unofficial · 2024
PlayableSoap Bubble
Newgrounds · 2002
PlayableSoap Bubble 2
Newgrounds · 2006

Mario Combat
Newgrounds · 2008
PlayableFinal Fantasy Sonic X: Episode 2
Fangame · 2004
DelistedSonic 3D Snowboarding
Unofficial
PlayableUnfair Mario
Bootleg · 2010
PlayablePaper Mario World 2
Unofficial · 2010

Super Mario 63
Unofficial · 2009
PlayableAlien Hominid
Newgrounds · 2002
PlayableBetaSonic Robo Blast
Unofficial · 2021
PlayableBetaSonic Robo Blast 2
Unofficial · 2021
PlayableBetaSonic Robo-Blast! From The Past
Crossover · 2021
PlayableWolfenstein 1-D
Demake · 2011
PlayableSonic Unfair
Unfair Deaths · 2014
PlayableSonic Chopped & Screwed
Low Poly · 2020
PlayablePortal Defenders
Bloody · 2009
PlayableSift Heads 4
Newgrounds · 2008
PlayableBall Revamped 2: Metaphysik
Newgrounds · 2005
PlayableBall Revamped III: Andromeda
Newgrounds · 2005
PlayableBall Revamped III: Gemini
Newgrounds · 2005
PlayableCastle Cat 3
Newgrounds · 2004
PlayableColour My Heart
Newgrounds · 2009