| Code | Effect
|
|---|
| map X1M1 | Level 01 - Enter the Unknown.
|
| map X1M2 | Level 02 - Power Hungry.
|
| map X1M3 | Level 03 - Cloning Central.
|
| map X1M4 | Level 04 - Final Defense.
|
| map X1M5 | Level 05 - Apocalypse's Crypt.
|
| map X1END | Level 06 - An Apocalyptic End.
|
| map X2M1 | Level 07 - Suburban Anarchy.
|
| map X2M2 | Level 08 - Industrial Takeover.
|
| map X2M3 | Level 09 - The Forgotten Fortress.
|
| map X2M4 | Level 10 - Power Station Panic.
|
| map X2M5 | Level 11 - Desert Stronghold.
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| map X2END | Level 12 - A Sinister End.
|
| map X1M6 | Secret Level - Delphi Defiled.
|