A
- A.E. Anti-Environment Encounter (Homebrew)
- Alcazar: The Forgotten Fortress
- Alphabet Zoo
- Amazing Bumpman
- Amazing Snake (Homebrew)
- Antarctic Adventure
- Aquattack
- Artillery Duel
- Artillery Duel/Chuck Norris Superkicks ("Double-Ender cartridge")
- Astro Invader (Homebrew port)
Read more about this topic: List Of ColecoVision Games