Cheats cannot be enabled in multiplayer. Jedi Knight II: Jedi Outcast disables all devmap/give/god commands on dedicated servers and client-side in multiplayer modes. The engine (id Tech 3) restricts sv_cheats to single-player / local "devmap" sessions only.
sv_cheats 1 forces sv_pure 0 and disables client authorization — servers reject it.devmap mapname (e.g., devmap t1_rail) — loads map with cheats enabled.give all, god, noclip, timescale 0.5, iknowkungfu (melee), playermodel kyle/desann/luke.For multiplayer, practice saber combat on duel servers or use JA+/OJP mods (single-player only) for training tools.