Note: You can only build towers on walls (solid colored tiles on top of the background tiles)!
Cheats (press bold keys on keyboard):
- 1: On level select screen, force-load level 1
- 2: On level select screen, force-load level 2
- 3: On level select screen, force-load level 3
- 4: On level select screen, force-load level 4
- SHIFT+1 or !: During a level, gives you 1 KB of CACHE
- SHIFT+2 or @: During a level, gives you 1 MB of RAM
- SHIFT+3 or #: During a level, gives you 1 TB of DSK
- SHIFT+0 or ): During a level, kills all currently alive malware, still awards score