16BIT Towerdefense: Unleashed

 
16Bit Towerdefense is an retro themed rogue-lite tower defense. The goal of the game is finding a strategy to get as far as you can while spending as little gold as you can to get into the leaderboards. Every run will be a bit different due to the cards you can use. You can unlock special abilities for certain towers or buy population for a safety net and more gold. 
The combinable towers are currently:
Poison Dart Tower

DB Minigun on top RPG at the Bottom
Super Tower

All the towers combined in a 2×2 grid
Black Hole Tower

2 Slowing Crystals next to each other Horizontally.
Flame Thrower

2 Rpg next to each other Horizontally