: The classic Egyptian campaign where Sam first travels back in time to stop Mental's forces.

: Finish the first level of TSE with fewer than 8 kills on at least normal difficulty.

is a unified version of the original "The First Encounter" (TFE) and "The Second Encounter" (TSE), featuring improved engine support, Steam Workshop integration, and the exclusive Bright Island campaign. Core Campaigns & Content

: You can re-enable classic environmental audio effects (reverb) using tools like Creative ALchemy.

These walkthroughs and guides cover secret locations and high-difficulty strategies for the Revolution campaign:

: Complete two levels in TSE using only the knife on normal difficulty or higher. Technical Tips

Beyond the standard arsenal, Revolution includes weapons previously found only in specific mods or scenarios: : Found as a secret in The Second Encounter . Plasmathrower : A secret weapon also located in TSE.

: Beat the final level of TFE or TSE on the highest "I am Ugh-Zan" difficulty in single-player.