# Half-Life: Opposing Force - Issues

Here's a list of things that we'd fix in Half-Life: Opposing Force, given the opportunity.

**Note:** This is so busted it may very well have to do with undefined behaviour. Run Valgrind all over this codebase man.

## Unreliable item notifications

Observed in multiplayer, some pickups don't trigger a notification at all.

## func_friction is completely broken

Start a multiplayer game on the map `op4ctf_hairball`. It's a very small map - choose any team and walk onto the slippery ice in the middle. You will never stop sliding around. This is a bug introduced within the past decade of game updates.

## CTF powerups are very broken

- Sometimes the yellow ammo powerup never gives any ammo, when it should.
- The longjump powerup never gives you the longjump ability, when it should.
- ...