This is a brainteaser map - thinking with portals required! Map has been updated on 7. August 2017 (2nd puzzle added) • estimated difficulty: medium/hard (logic based puzzle) • estimated blindrun playtime: 35 minutes (or more) • no ninja skills and no stra...

This is a brainteaser map - thinking with portals required! Map has been updated on 9. August 2017 • estimated difficulty: medium/hard (logic based puzzle) • estimated blindrun playtime: 60 minutes (or more) • no ninja skills and no strafing needed • no bu...

This is a brainteaser map - thinking with portals required! Map has been updated on 14. August 2017 • estimated difficulty: medium/hard (logic based puzzle) • estimated blindrun playtime: 40 minutes (or more) • no ninja skills and no strafing needed • no b...

This is a brainteaser map (very hard logic based puzzle)! Thinking with Portals required. - estimated difficulty: very hard (logic based puzzle) - estimated blindrun playtime: 60 minutes (or more) - no ninja skills and no strafing needed - no bugusing, no ...

This is a brainteaser-map, which requires teamwork and thinking with portals. You have to think twice. Features: - 2 medium-sized rooms - teamwork required - thinking with portals required - you may have to think out of the box - no ninja skills needed - n...

This is a brainteaser map - thinking with Portals required! - estimated difficulty: very hard (logic based puzzle) - estimated blindrun playtime: 80 minutes (or more) - no ninja skills and no strafing needed - no bugusing, no glitches, no hidden things - y...

This is a brainteaser map - thinking with Portals required! - estimated difficulty: very hard (logic based puzzle) - estimated blindrun playtime: 120 minutes (or more) - no ninja skills and no strafing needed - no bugusing, no glitches, no hidden things - ...

This is a brainteaser map - thinking with portals required! • estimated difficulty: very hard (logic based puzzle) • estimated blindrun playtime: 90 minutes (or more) • no ninja skills and no strafing needed • no bugusing, no glitches, no hidden things • y...

Remake of DrFauli's map (Accelerated thinking) with some extra challenges. This puzzle requires no glitches, deaths, timing, ninja tricks, hidden elements, esoteric techniques or any such gimmicks. It is solvable using only simple moves that even a beginne...