Slipgate Classic Beta 1.0 is out: the full 32-map build (Quake content and NIN music included, DLL build p121).
ModDB: https://www.moddb.com/mods/slipgate-classic/downloads/slipgate-classic-beta-10
GameBanana: https://gamebanana.com/mods/726451
Requires Half-Life, Deathmatch Classic and Quake (Steam versions).
Full: SlipgateClassic_Beta1.0_full.zip (206,996,881 bytes)
Features: co-op with bots (they teleport near you if far), bot difficulty levels, random deathmatch spawns, lava and slime damage, friendly fire works (console only: set mp_friendlyfire 1 in the console, no menu option), Create Game dialog.
Known issues: lava fix needs confirmation.
Please report bugs here or on the ModDB, GameBanana or Reddit threads.