[Lightspeed]

One of the many games I wish existed:

RPG in the style of The Temple of Elemental Evil. Complex battles that occur in a short period, not turn based, but nearly effectively so due to the ability to auto-pause when an action occurs or can be made. Time being important for determining order of actions and such. A focus on efficiency, incurring maximum damage for minimal injury with minimal use of consumables.

Except instead of a traditional Sword & Sorcery style RPG, adapt the D&D ruleset for contemporary urban warfare. Control a band of mercenaries of various specialisations, from hand-to-hand, small arms, heavy weapons, explosives, etc.

With the ability to watch combat replays once a battle is over.