In the game just type words from first column and you will get
 the effect as described in second column. And yeah, all
 these codes are just reversed words of their meanings :)

 Cheat         Reversed and meaning     Type
---------------------------------------------------
 OMMALLUF      FULLAMMO                 effect
 HTLAEHLLUF    FULLHEALTH               effect
 ANAMLLUF      FULLMANA                 effect
 TSOOBERIF     FIREBOOOST               effect
 RATSLATEM     METALSTAR                item
 RETROPELET    TELEPORTER               item
 KAOLC         CLOAK                    item
 LERRABSAG     GASBARREL                item
 SENIMEX       XEMINES                  item
 SENIMGA       AGMINES                  item
 ELBISIVNI     INVISIBLE                item
 ETATNEIROSID  DISORIENTATE             item
 NIARDICA      ACIDRAIN                 item
 NODDEGAMRA    ARMAGEDDON               item
 DUOLCHTAED    DEATHCLOUD               item
 ERIFLLAF      FALLFIRE                 item
 LLABERIF      FIREBALL                 item
 LLABECI       ICEBALL                  item
 HSALF         FLASH                    item
 ERIFTES       SETFIRE                  unknown
 DICAHSALPS    SPLASHACID               unknown
 LLAEZEERF     FREEZEALL                unknown
 YENOM         MONEY                    item (type in in Buy Menu)
 DOG           GOD                      god mode

 Submitted by Cyberman, cyberman@ag.ru