Start the game with maxpayne2.exe -developer, then press ~ to open the console.

Give one of the following commands:

clear - Clear console screen
clr - Clear console screen
coder - God mode, all weapons, health, inifinite ammo
god - God Mode
mortal - disable god mode
getallweapons - Get all weapons
quit - quit game
showfps - Show fps rate
showextendedfps - Show extended fps rate
getberetta - Get beretta with 1000 ammo
getbullettime - Put player into bullettime
getcoltcommando - Get coltcommando with 1000 ammo
getdeserteagle - Get Desert Eagle with 1000 ammo
getdragunov - Get Dragunov with 1000 ammo
getgraphicsnovelpart1 - Fill in part of the story line
getgraphicsnovelpart2 - Fill in part of the story line
getgraphicsnovelpart3 - Fill in part of the story line
gethealth - Get 1000 health
getingram - Get Ingram with 1000 ammo
getkalashnikov - Get Kalashnikov with 1000 ammo
getmolotov - Get Molotov cocktail with 1000 ammo
getmp5 - Get MP5 with 1000 ammo
getpainkillers - Get 1000 painkillers
getpumpshotgun - Get pumpshotgun with 1000 ammo
getsawedshotgun - Get sawed-off shotgun with 1000 ammo
getsniper - Get sniper gun with 1000 ammo
getstriker - Get striker gun with 1000 ammo
jump10 - Jump 10 high
jump20 - Jump 20 high
jump30 - Jump 30 high
showhud - Turn on HUD
help - Much more debug commands