Starbound is a 2D sandbox adventure that blends Terraria-style building and exploration with space travel across a procedurally generated universe. Players spend hours repairing their ship, landing on randomly created planets, gathering resources, crafting gear, constructing bases, and completing quests either alone or in co-op. Most players treat it as a long-term hobby game filled with modding, base expansion, and multiplayer server visits rather than short competitive matches. Performance in Starbound is driven primarily by the CPU. The custom engine handles complex world simulation, entity processing, and procedural loading that can cause stutters when moving between dense areas, activating machinery, or running heavy content mods. These hitches break the feeling of fluid movement and responsive controls that high-refresh-rate players expect. Even though the pixel-art visuals place very little demand on the GPU, the constant background calculations and asset streaming create noticeable frame-time spikes on slower processors. Common pain points include lag when many enemies, projectiles, or complex contraptions appear on screen, especially in modded playthroughs that add thousands of extra entities and scripts. Multiplayer sessions can also strain the host's system because the local machine simulates the world for everyone connected. Many new builders mistakenly focus only on GPU power, yet Starbound's modest graphics mean that over-investing in graphics hardware leaves the real bottlenecks—single-thread CPU performance and memory capacity—unaddressed.