Change your default weapon
Beat Stage 1 without codes
Beat Stage 2 without codes
Beat Stage 3 without codes
Beat Stage 4 without codes
Beat Stage 5 without codes
Beat Stage 6 without codes
Win the Game on 1st Quest without codes
Beat both quests without codes
Enter Credits Screen (no level select code)
Good, you know the codes. But they aren't allowed here (except 2 cheevos)
Find all extra lives in one quest (no codes)
Use continue code after the best ending, beat the boss, in the forest cross the river after non-flashing Umbrella icon