Here's a big batch of releases from SMS Power!'s annual coding competition:
https://www.smspower.org/Competitions/Coding-2025I've excluded Iron Man and Chess Rooks Puzzle, which you already have, and Stars and Tables Have Turned, which are just tech demos.
Lunar Skirmish by eruiz00, a space themed shmup.
https://www.smspower.org/Homebrew/LunarSkirmish-SMShttps://www.youtube.com/watch?v=kcGCA6fRXY8Attention to Detail by Ray Tube Games, a memory-based tile puzzle game.
https://www.smspower.org/Homebrew/AttentionToDetail-SMShttps://www.youtube.com/watch?v=vMOSlTac9dIGommy Medieval Defender by ZilogZ80a, a castle defense game.
https://www.smspower.org/Homebrew/GommyMedievalDefender-SMShttps://www.youtube.com/watch?v=NZA0UQQlnTkJumping Jack'son by slogra, a port of an Amiga game of the same name.
https://www.smspower.org/Homebrew/JumpingJackson-SMSYōkai Ninja by ichigobankai, RushJet1, a Buster Bros clone where you have to clear the screen of bouncing balls.
https://www.smspower.org/Homebrew/YokaiNinja-SMShttps://www.youtube.com/watch?v=9epIXx7xTnwUltimate Dungeon Escape by Dee Liteyears, badcomputer, tibone, Cyrus, Révo, a top-down RPG dungeon crawler:
SMS:
https://www.smspower.org/Homebrew/UltimateDungeonEscape-SMSSG1000:
https://www.smspower.org/Homebrew/UltimateDungeonEscape-SGhttps://www.youtube.com/watch?v=qi4-rYalTk0Yawi by dark, a reprogrammed version of Enigma, a puzzle game with elements of Boulderdash, Sokoban and XOR
https://www.smspower.org/Homebrew/Yawi-SGAnts for Master System by JoppyFurr, a remake of the early 2000's PC game, Ants.
https://www.smspower.org/Homebrew/AntsForMasterSystem-SMShttps://www.youtube.com/watch?v=9uxI9pWDmhkPac-Man by LackofTrack, a conversion of the arcade game of the same name.
https://www.smspower.org/Homebrew/Pac-Man-SMShttps://www.youtube.com/watch?v=wXEn-1WuimMEggie Chuck by willbritton, a clone of the BBC Micro game Chuckie Egg.
https://www.smspower.org/Homebrew/EggieChuck-SMShttps://www.youtube.com/watch?v=4hgf7tZBcZs