SOTE Cart Save cheats..
by: Datawiz[BlackBag] and Yuzzy

offset
------
0x0c	XX XX XX XX XX XX XX XX XX XX
	each XX corresponds to total challenge points per level

0x18	XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX
	Character name, must end with a 0x00 !

0x33	XX
	Difficulty level 00-03 (0x02 is medium)

0x36    XX XX XX XX XX XX XX XX XX XX
        each XX corresponds to amount of lives for level (levels 1-10)

0x40	VV WW XX YY ZZ ... 9 more times
	weapons/ammo for each level (laser is not in list)
	VV = Pulse Cannon
	WW = Flame
	XX = Seeker
	YY = Stunner
	ZZ = disruptor

0x72    XX YY XX YY XX YY XX YY XX YY XX YY XX YY XX YY XX YY XX YY
        each XX YY corresponds to level completion time in seconds
        (minutes * 60 + seconds -> in hex)

0x86	XX XX XX XX XX XX XX XX XX XX
	each XX corresponds to the # of challenge points achieved in each level

Then the process repeats for the next characters...

Njoy!