Sigma Touch

Sigma Touch brings unofficial ports of the incredible Unreal and Unreal Tournament to Android!

Download Sigma Touch v1.3 (03 September 2026)

v1.3
* Added Quake 4 via openQ4

High quality ports of

Unreal 1998

Unreal Tournament 99

Aliens vs Predator 2000

Quake 4

NOTE: You NEED Unreal v200 game data (NOT Unreal Gold) and Unreal Tournament v400 data to play.
These are unofficial ports to Android and do not contain any game data.

Ports code from: https://github.com/fgsfdsfgs/UE1 and https://github.com/maximqaxd/ut99dc and https://github.com/atsb/NakedAVP and https://github.com/themuffinator/openQ4 Both Unreal games have been updated to now compile and work on 64bit devices.

TODO: Local Networking for Unreal Tournament will be fixed in the next release!