Under rating threshold (hideshow)
the least time needed is 1 min. for the achievement (the 300 achievement doesn't mean 300 seconds). also for the contra one you type in the contra cheat code
Under rating threshold (hideshow)
More like making fun of games that have achievements. Cough 360 games with achievements and other games lets say Team Fortress 2 :P
Under rating threshold (hideshow)
impossible to beat it under 5 minutes. cuz one of the achievements is playing for 5 minutes, also for the contra thing all you have to do is type in c-o-n-t-r-a