: Originally labeled as impossible, players have unlocked it by surviving a fight with exactly 1 HP (e.g., getting down to 1 HP, picking up the flamethrower, and killing a scorpion).
: Complete two levels in TSE using only the knife on normal difficulty or higher. Technical Tips Serious Sam Classics: RevolutionData edycji: 8-...
: Beat the final level of TFE or TSE on the highest "I am Ugh-Zan" difficulty in single-player. : Originally labeled as impossible, players have unlocked
These walkthroughs and guides cover secret locations and high-difficulty strategies for the Revolution campaign: : Originally labeled as impossible