- Automatic demo recording
- Accurate session timing
- Speedrun timer with complex custom rule system
- Tools for segmented and tool-assisted speedruns
- Movement mods like ABH, aircontrol etc.
- Useful HUDs
- Lots of other cheats
| Game | Windows | Linux |
|---|---|---|
| Portal 2 | ✔ | ✔ |
| Aperture Tag | ✔ | ✔ |
| Portal Stories: Mel | ✔ | ✔ |
| Thinking with Time Machine | ✔ | ✔ |
| Portal Reloaded | ✔ | ✔ |