Cave Story - Doukutsu Monogatari

This is a rewrite/port of the popular freeware game Cave Story for Sega Mega Drive/Genesis. It should work on any console or emulator. The main story is "finished", only little things and bugfixes remain.

If you have a 6 button controller:
C - Jump, confirm
B - Shoot
A - Fast forward through scripted events
Y, Z - Switch weapon
X - Map system
Start - Pause / Item Menu

For 3 button, A cycles through weapons. The rest is the same.

Cheats
Stage Select: up, down, left, right, A + Start. Like Sonic.
Infinite health/ammo: up, up, down, down, left, right, left, right, A + Start.
You can still get crushed, drown and fall out of bounds.
Note that you can't load or save the game while cheating (including the counter).