Free Games
In this page you can find games that are completely and legally free download and play on your emulators. Many of them have an achievement set at RetroAchievements.org.
Atari 2600
AtariAge has plenty of Atari homebrew on their website that you can either purchase physical cartridges of or (most of the time) download from their forums for free with a quick google search.
Some examples of AtariAge Atari 2600 homebrew:
- Amoeba Jump - by Dionoid
- AVGN K.O. Boxing - by Devin Cook
- Flappy - by Michael Haas
- Go Fish! - by Bob Montgomery
- Halo 2600 - by Ed Fries
- INV+ - by Erik Mooney, Piero Cavina
- Oystron - by Piero Cavina
- Pac-Man 4K - by Dennis Debro
- Princess Rescue - by Chris Spry (Due to complications with Nintendo, you can no longer purchase physical copies of this one)
- Sheep It Up! - by Dr. Ludos
- Snake-2600 - by Wickeycolombus
- Tetris26 - by Colin Hughes
- Video Simon - by Mark De Smet
- Wall Jump Ninja - by Walaber
- Zippy the Porcupine - by Chris Spry
Game Boy
- Dangan GB - by snorpung
- Deadeus - by -IZMA-
- Deep Forest - by Kevin Trepanier
- Dino's Offline Adventure - by gaming monster
- DMG Deals Damage - by Dr. Ludos
- Flappy Boy - by zurashu
- Petite Professional GB - by ocarson
- Pretty Princess' Castle Escape - by sergeeo
- Popcorn Caravan - by cabbage
- Snake - by Donald Hays
- The Binding of Isaac: Game Boy Edition - by Joshua Robertson
- Tobu Tobu Girl - by TangramGames
- Waifu Clicker - by Refresh Games
Game Boy Color
- Hong Kong 2099 - by Bl4h8L4hBl4h
- Tobu Tobu Girl Deluxe - by TangramGames
- Warp Coin Catastrophe - by Proximity Sound
Game Boy Advance
- Celeste Classic - by Maddy Thorson and Noel Berry
- Pocket Meat - by BomberDev
- Snakes - by BadMrFrostyXXX
Nintendo DS
- Anguna DS - by Nathan Tolbert
- Bubble Wrap DS - by Prodigy Games
- Crocodingus in Cube Island - by PXLteam
- EunHye DS - by beadeulpiri
- Slide Puzzles - by Neumann(Puzzle), roronoa(Migraine), Dustin(15-16)
- Ultimate Sliding Puzzle - by Kukulcan, LOBO (Warning! some of the puzzles are NSFW!)
Mega Drive/Genesis
- 30 Years of Nintendon't by Dr. Ludos
- Cave Story MD by andwn
- Double Cooked - by Zhamul, mipelius, Miranda
- L'ABBAYE DES MORTS - by
- Mega Flappy Sis - by Lennart
- Mighty Mighty Missile - by Locomalito(https://www.locomalito.com/)
- Pringles Game - by MtChocolate
- Uwol - Quest For Money - by Shiru
- ZOOMING SECRETARY: GOING PANIC - by Playonretro
NES
- 2048 - by tsone
- Alter Ego - by Shiru
- Blade Buster - by High Level Challenge
- Böbl - by Morphcat Games
- Bootee - by [Mojo Twins](https://www.mojontwins.com/
- Cookie Clicker - by Damian Yerrick
- D-Pad Hero - by Kent Hansen, Andreas Pedersen
- D-Pad Hero 2 - by Kent Hansen, Andreas Pedersen
- Filthy Kitchen - by dustmop
- Function
- Gotta Protectors - Amazon's Running Diet - by Ancient Corp
- Gruniozerca - by emunes.pl
- Gruniozerca 2
- Hot Seat Harry - by Memblerz
- I Wanna Flip the Sky - by TomL
- Indivisible - by Kasumi
- Lala The Magical
- LAN Master - by Shiru
- Lawn Mower - by Shiru
- Legends of Owlia, The by Gradual Games
- Lunar Limit
- Melo-Jellos 2 - by Adrian Makes Games
- Miedow - by Mojo Twins
- MilioNESy
- Nebs 'n Debs
- NES Virus Cleaner
- NeSnake 2
- Project Blue
- SplatooD - by SplatooD Team
- Streemerz - by Mr. Podunkian
- Sudoku: NESWORLD Edition - by Al Bailey
- Super Bat Puncher - by Morphcat Games
- Zooming Secretary - by Shiru
SNES
- Christmas Craze - by Shiru
- Super Boss Gaiden - by superfamicom.org (??)
- Super Sudoku - by Raphaël Assénat
- Super Road Blaster (MSU-1) - by dforce3000