Similar to the studio's earlier fighting games Rise of the Robots and Rise 2: Resurrection, Theatre of Pain features the use of pre-rendered 3D graphics for both characters and backgrounds.CharactersStyxOptimusLemureNemesisSpartacusJanusVulcanCaligulaLictor (boss, playable with cheat code)Damnatio (boss, playable with cheat code)Nanotaur (boss, playable with cheat code)Hormazd (boss, playable with cheat code)