Games I've completely beaten without cheating
Arcade
Atari 2600
- Kung-Fu Master (beat level 5)
- Pitfall II
Atari 7800
- Alien Brigade
- Crossbow
- Double Dragon
- Fatal Run
- Ikari Warriors (easy difficulty)
- Impossible Mission
- Midnight Mutants
- Ninja Golf (easy)
- Scrapyard Dog
- Super SkateBoardin
- Tower Toppler
Sega Genesis
Nintendo Entertainment System
- Al Unser Junior's Pro Turbo Racing
- Castlevania 2: Simon's Quest (12/1/2002)
- Goonies (Famicom)
- Goonies 2
- Heavy Shreddin'
- The Legend of Zelda
- Lolo
- Mega Man
- Mega Man 2
- Mega Man 3
- Mega Man 4
- Mega Man 5
- Mega Man 6
- PaperBoy
- Spelunker
- Super Mario Bros.
- Super Mario Bros. 3
- Super Pitfall
Super Nintendo
- Legend of Zelda; A link to the Past
- Mega Man 7
- Mega Man X
- Mega Man X3
- Star Fox (medium difficulty)
- Super Mario All-Stars: Lost Levels
- Super Mario World
PC (some shareware)
- Commander Keen 1: Invasion of the Vorticons
- Commander Keen 4
- Cosmo
- Dark Forces (hard difficulty, except for last level on medium)
- Duke Nukem 1
- Jill of the Jungle
- The Journeyman Project Turbo
- Laser Squad??
- Mega Man
- Myst
- Rebel Assault (medium difficulty)
- Secret Agent
- Tie-Fighter (no add-ons)
- X-Wing (+Imperial Pursuit, +B-Wing)