Romero has the following main actions:

- Running left or right. 

- Jump 

Interactions:

- Collision with an enemy 

- Collision with collectibles and objects. 

Attacks: Romero has a normal melee attack which sends a digital signal like wave which defeats the enemies which are prone to digital signals.

Defeating an enemy: If collision is on top of enemy, enemy dies or changes state according to its rule set, otherwise take damage according to rule set.