Pokémon Emerald
Mario Party DS
Pokémon Platinum
Disney's The Wild
Super Mario Land
Gain Ground
Alex Kidd in the Enchanted Castle
Sonic the Hedgehog 2
Ecco the Dolphin
The Ooze
Also some PC games for kids that I played when I was 3-5 years old, but I don't remember any titles (only some vague memories).