Rainbow Six 

255 grenades 
Change your weapon to the grenades and hold Z until the throw meter is filled. When the grenade is being thrown, hold Z again until the meter is full. Repeat this until you are on the last grenade. When it is thrown, you will have 255 grenades.

Level select 
Enter "VZRFTMQ2G8SQ" as a password for the recruit difficulty setting. Enter "FZJFTMR2G8RQ" as a password for the veteran difficulty setting.

Level passwords 
Level Name Recruit Veteran Elite 
2 Red Wolf 12D1S2Q22MQQ 1ZL1S2RF2MQQ 1ZB1S2S22M?? 
3 Sun Devil BJDBC3Q22WQQ BJJBC3RF25QQ BJBBC3S225?? 
4 Eagle Watch BZDBSMQZZ!QQ BZJBSMRF28RQ BZBBSMS22888 
5 Ghost Dance CJTCCQQ2FGSQ CZBCS5RFFMRQ CJDCCQS2F288 
6 Fire Walk K2TK65Q2F4SQ DJBDCYRFF5RQ CZDCSWS2FMQ8 
7 Lion's Den T2TT68QGF!WQ DJDDC6R2FWR8 DJBDCYS2F5?? 
8 Deep Magic 5JR5L1QGGGSQ LZBDS8R2F8RQ DZBDS8S2F??? 
9 Lone Fox 52T572Q4G4SQ MJB2D1R2G2RQ 2JB2D1S2G2?? 
10 Black Star VJVVLJQGGWSQ  2ZB2T2R2GMQQ 2ZB2T2S2GM?? 
11 Wild Arrow VZVVXMQ26!SQ FJJFD3R2G5RQ FJDFD3S2G5?? 
12 Mystic Tiger VZRFTMQ2G8SQ FZJFTMR2G8RQ FZDFTMS2G888