In the standard version of Tower Madness 2, players must earn "Wool"—the in-game currency—to unlock new tower types and additional tower slots in . An "Unlock All" modification typically provides:
: Starting with all six tower slots available rather than grinding to purchase them. Tower Madness 2- 3D Defense Mod Unlock All
: Best kept at level one for cost-effective enemy slowing. In the standard version of Tower Madness 2,
Towers react differently depending on the climate. On , towers can overheat, while on ice maps , they may freeze, requiring players to adapt their placements or upgrade strategies. 3. Iconic Towers and Upgrades towers can overheat