Half-Life is a linear first-person shooter that blends tight gunplay, environmental puzzles, and platforming into a continuous narrative with no cutscenes. You play as Gordon Freeman, escaping the alien-infested Black Mesa facility while solving physics-based challenges and fighting both human security forces and extraterrestrial enemies. Most players today experience the game through the single-player campaign, either as a first-time playthrough or a replay with quality-of-life mods. The 25th Anniversary Update improved Steam Deck support, added content, and fixed some mod compatibility, but the underlying GoldSrc engine remains sensitive to modern OS and driver quirks. At 1080p the resolution lines up perfectly with the game's original art direction and UI scaling provided by the anniversary update. This makes text and icons readable without forcing extra FOV or interface mods that higher resolutions often require. The main performance concerns are not GPU horsepower but engine-level issues: uncapped frame rates can break physics and AI timing, while certain mods add denser geometry or dynamic lights that expose frame-time instability. Common pain points include stuttering on systems with poor legacy compatibility, crashes after driver updates, and the feeling that the game runs inconsistently even though the visual demands are low. Before choosing a PC, understand that Half-Life rewards a stable, well-matched system over peak benchmark numbers; the right platform prevents the troubleshooting that many retro titles force on modern hardware.