Groups comparison

Physics - 1979 to 2024
Physics play an important role in gameplay, usually puzzles that rely in understanding or manipulation of physics.

Liquid physics (Liquid dynamics)[Water dynamics;Water physics] - 1991 to 2020
Liquids and semi-solid substances (such as water, acid, lava, mud, etc.) flow, pool, and otherwise dynamically interacts with the world.

Zero gravity environment (Weightless environment) - 1994 to 2017
Includes a Zero-G environment as location.

Low gravity environment - 1999 to 2023
Includes locations where the effects of gravity have been greatly reduced.

Gravity control (Gravity manipulation) - 2006 to 2017
Player can trigger changes in gravity. Reversal and switching on-off are common.

Variable gravity - 2010 to 2015
Gravity is not uniform across a map, level, or other similar area with clear boundaries.