Blood is a 1997 PC (DOS / Windows) game from Monolith, catalogued here for 8 defining game mechanics.
PC (DOS / Windows)1997Complexity 45/1003DCult classic
Blood is a 1997 first-person shooter game developed by Monolith Productions using the Build engine and published by GT Interactive. The shareware version was released for MS-DOS on March 7, 1997, while the full version was later released on May 21 in North America and June 20 in Europe. (via Wikipedia)
The game mechanics of Blood
Boss EncounterCombatA single high-health enemy with unique scripted behavior and distinct phases serves as a gated progress challenge.