1v1 arena, Counter-Strike: Global Offensive, two players, competitive, mirrored map, equal weapons, headshot only mode, instant respawn, no grenades, AK-47, M4A1-S, Desert Eagle, AWP, round, health regeneration, aim training, reflex test, warm-up, skill improvement, FPS boost, high contrast, clear visibility, minimal distractions, fair play, balanced spawns, round timer, score limit, voice chat disabled, spectator mode, first-person view, dynamic lighting, realistic shadows, high-resolution textures.