My favourite X68K games…
Square Resort: Hyper Senshasen
スクウェア・リゾート～ハイパー戦車戦～
Geograph Seal (this led to Jumping Flash and Ghost in the Shell on PS1)
ジオグラフ シール
Others
- Baraduke (predates Metroid)
- Granada
- Mad Stalker: Full Metal Force
Ports
- Strider
- Bubble Bobble
- The New Zealand Story
Also see PASOKON: old Japanese computers (MSX, PC-98, X68000, etc)