'Ray in Sonic 1' (2019) by Iso Kilo (Hack) Play as Ray The Flying Squirrel using his ‘Sonic Mania’ sprites in ‘Sonic 1′. https://archive.org/download/SonicHackingContest2019

'Sonic Labyrinth 2' (2016) by @UnlimitedTrees (Hack) A joke hack of 'Sonic 2' where you are very slow, and can't jump while rolling. https://archive.org/details/sonic-hacking-contest-2016

'Sonic Adventure 2' (2000) by Stuart Jenkins (Demo) https://archive.org/details/sa2_20190911

'Hellfire Saga' (2023) by Red Miso Studios (Hack) A ‘Castlevania’ and ‘Ghosts ‘n’Goblins’ styled hack of ‘Sonic 3 & Knuckles′ game with 10 acts and 15 mini-bosses. https://sonicfangameshq.com/forums/showcase/hellfire-saga-grand-finale.1574/

'Sonic CD's Scrapped Rounds' (2025) by Extra Badnik (Demo Mod) Returns some scrapped levels - Dubious Depths, Baneful Badland (reimagined Desert Dazzle) and Final Fever. https://sonicfangameshq.com/forums/showcase/sonic-cds-scrapped-rounds-demo-2.2804/

'Beta Windy Valley' (2016) by SonicOtakuSNG (Lost World Mod) Adds a stage based on the BETA version of 'Sonic Adventure's Windy Valley to 'Lost World'. https://gamebanana.com/mods/150079

'WeatherMod' (2024) by Useott (S3Air Mod) Adds weather to 'Sonic 3'! https://shc.zone/entries/contest2024/1133

'Sonic 8-Bit Overloaded' (2021) by JaumVBR0222 (Demo) Inspired by the NES Sonic improvements hack, but in a new game, and new stages! https://sonicfangameshq.com/forums/showcase/sonic-8-bit-overloaded-demo.941/

'Total Chaos Destruction' (2000) by AGB https://archive.org/details/total-chaos-destruction

'Sonic: First One Standing & Unfinished Business' (1998) by Stealth aka Simon Thomley (Demo) Some of the earliest DOS demos to try and replicate the Sonic game mechanics. https://archive.org/details/unfinished-business

'Sonic Vs Darkness T. N. R. Online' (2016) by @Nefault1st (Demo) A super solid 'Sonic Rush' styled game. One of my favorites. https://archive.org/details/sonicvsdarknesst.n.r.online

'Sonic Hex' (2000) by HyperSonic Productions (Demo) A 4 player game where you must touch each of the corners to win, while compromising with the other players. Neat! https://archive.org/details/SonicHex

'Strato-Scruffy' (2023) by Super Freaks (Original Game) A remake of a 2009 title by the dev, now with widescreen and many bug fixes. #NonSonicWeekend https://www.sonicfangameshq.com/forums/showcase/super-freaks-presents-strato-scruffy-2009.1695/

'The Deal' (2025) by Dual Fan Games (Demo Mod) A brand new DOOM WAD. #NonSonicWeekend https://sonicfangameshq.com/forums/showcase/the-deal-wad.2812/

'Thunder Edge' (2025) by Sapphire Flame (Original Demo) A high-voltage action platformer set in the distant future of 1989. Strike like lightning, and become the hero that will shock the world! #NonSonicWeekend https://sonicfangameshq.com/forums/showcase/thunder-edge.2698/

'Strato Freaks DX' (2025) by Mr. Freaks (Original demo) Fly around each looping level, collect the magic monkeys and beat the boss in a frantic winner-takes-all slugfest in the sky! #NonSonicWeekend https://sonicfangameshq.com/forums/showcase/strato-freaks-dx-sage-2025-demo.2692/

'Sonic Adventure 2 en español latino' (2025) by kawaiikaorichan (SA2 Mod) Brings the PC version of Sonic Adventure 2 to Latin Spanish https://shc.zone/entries/contest2025/1369

'Sally In Sonic 2' (2014) by E-122-Psi (Hack) http://info.sonicretro.org/Sally_Acorn_in_Sonic_the_Hedgehog_2

'Super Mario' (2022) by @Dynamic_Lemons (Sonic 3 AIR Mod) Wahoo! Yippee! https://shc.zone/entries/contest2022/711

'Sonic 1 Contemporary' (2018) by Roxurface (Hack) This 'Sonic 1' hack keeps to the same stages, but adds new paths, new abilities, and new music and palettes for each act. https://drive.google.com/drive/folders/1_2L8xe2gcc2ElFn2huhSgudRNOEQL5LF?usp=sharing

'Sonic Iku' (2023) by HighHog (Hack) Gives a twist to making the game look and feel more like the earliest previews. https://shc.zone/entries/expo2023/832

'Sonic Avalanche' (2003) by Shadow Team https://archive.org/details/SonicAvalancha

'Sonic Chaos - Turquoise Hill' (2018) by AStartShow (Demo) A fan game and re-imagining of the original, in the style of 'Sonic Mania' https://sonicfangameshq.com/forums/showcase/sonic-chaos-turquoise-hill-demo.228/

'Sonic 3 Redesigned' (2022) by GFX32 (Sonic 3 AIR Mod) Aims to fully redesign all of Sonic 3 & Knuckles' stages, includes Ice Cap, Lava Reef & Carnival Night. https://shc.zone/entries/contest2022/656

'SM64 Adventure' (2024) by Sora-yx (SA Mod) Allows you to play Mario from Super Mario 64 in Sonic Adventure, with their original moveset & physics. https://shc.zone/entries/contest2024/974

'Sonic Eclipse' (2018) by Mr_Cat (Demo Hack) A hack of 'Sonic 2' on the Master System. Part of the @SHContest 2018. https://shc.zone/vault/

'Sonic the Sleeper in the Nostalgia Dreams' (2012) by Joseakadaman (Hack) An entry to the @SHContest in 2012. https://archive.org/download/sonichackingcontest20121/%5BSHC2012%5D%20%5Bcompo2012%5D%206%20-%20Sonic%20the%20Sleeper%20in%20the%20Nostalgia%20Dreams%20-%20By%20Joseakadaman/

'Boss Rush+' (2020) by Apollyon (Mania Mod) Battle through each ‘Mania’ boss in a special mode. https://sonicfangameshq.com/forums/showcase/sonic-mania-boss-rush-demo-1.432/

'Adventure Accurate Moveset' (2024) by LukeStation (Frontiers Mod) A code mod for Sonic Frontiers that tries to convert the Adventure Formula moveset as best as possible. https://shc.zone/entries/contest2024/1146

'Lighto Pack' (2021) by @Lighto97 (SRB2Kart Mod) New courses for the game, based on classic games. https://mb.srb2.org/addons/lighto-pack-v4-salad-update.2295/

'Megaman X: Omega Blaster' (2025) by Corrupião Lendário (Non-Sonic Game) An Arcade/Arena style fangame inspired by the Power Battle games, but now with X! #NonSonicWeekend https://sonicfangameshq.com/forums/showcase/megaman-x-omega-blaster-ultimate-edition.2457/

'Acceleration of SUGURI Y-Edition' (2024) by Tripel (Original Demo) Fly around the arena trying to shoot each other down, slash through the other's defenses, and build up hyper meter. #NonSonicWeekend https://sonicfangameshq.com/forums/showcase/acceleration-of-suguri-y-edition-sage-24-demo.2343/

'M.U.G.E.N TournamenT - Dream Match' (2023) by DSBleuFC (Demo) Everyone is here! #NonSonicWeekend https://sonicfangameshq.com/forums/showcase/m-u-g-e-n-tournament-dream-match-alpha-test-demo.1604/

'Frogun: Xmas SAGE' (2023) by molegato (Original Demo) An updated demo to this cute co-op indie platformer! #NonSonicWeekend https://sonicfangameshq.com/forums/showcase/frogun-encore.1731/

'XGA' (2024) by Dinar87 & Ciri A Metroidvania fangame aiming to continue 'Metroid Fusion's focus on horror and the SA-X. #NonSonicWeekend https://sonicfangameshq.com/forums/showcase/xga.2101/

'L.I.A.C.F.F: Tale of the Cursed Chain' (2023) by Draco Dragonyoshi (Original Demo) Tethered together, traversing the Mushroom Kingdom. #NonSonicWeekend https://sonicfangameshq.com/forums/showcase/l-i-a-c-f-f-tale-of-the-cursed-chain-chapter-1-prototype.1831/

'Sonic Slam 2: Robotnik's Revenge' (2000) by Davie Slam (Demo) https://archive.org/details/sonic-slam-2-demo

'Whisper The Wolf' (2022) by @lightdasher (SRB2 Mod) Sneaking in from the Sonic IDW comics, with her Variable Wispon in tow makes it to SRB2! Footage by AuraSurge. https://mb.srb2.org/addons/whisper-the-wolf.4325/

'Sonic Omega' (2001) by Manic Team (Demo) https://archive.org/details/SonicOmegaManic

'Salom Adventure' (2013) by nefault1st (Demo) https://archive.org/details/salom-adventure-2013

'Sonic ERaZor: Zenith Edition' (2025) by Selbi (Hack) What if Michael Bay directed Sonic 1? https://sonicfangameshq.com/forums/showcase/sonic-erazor-zenith-edition.2385/

'Sonic: Between Worlds' (2019) by DPlex (Demo) https://www.sonicfangameshq.com/forums/showcase/sonic-between-worlds-demo-sage-2019.268/

'Sonic Stadium ' (1999) by Jan Abaza (Canned) https://archive.org/details/SonicStadium

'Sonic Madventure' (2001) by Dragon XVI (@DragonXVI) https://archive.org/details/smad_20190916

'Sonic Robo-Blast 2 Christmas' (2000) by @SonicTeamJr An early version of the game, with separate levels. https://archive.org/details/srb2xmas

'Sonic 1: Unfinished Example Remade' (2022) by DarkShamilKhan (Hack) A new take on classic Sonic 1 stages. https://shc.zone/entries/expo2022/777

'Sonic Unleashed: Reimagined' (2023) by Starlight (Unleashed Mod) Overhauls every stage with reimagined stage themes and adds 11 new characters! https://shc.zone/entries/contest2023/875

'Sonic Unleashed: Encore' (2022) by @SticksUnleashed (Unleashed Mod) Gives the game a new coat of paint with different times of day. https://shc.zone/entries/expo2022/640

'Sonic: Genesis Blast' (2020) by NGA Team (Demo) https://gamejolt.com/games/sthgb/490753

'Mach Speed Physics' (2023) by Trepe_Serafin (Frontiers Mod) Completely overhauls the Gameplay of Open Zone and Cyber Space! https://shc.zone/entries/contest2023/892