Slay the Spire is a roguelike deck-building game where you choose one of four characters, build and refine a deck of cards during each procedurally generated run, and battle your way up a spire filled with enemies, events, shops, and tough bosses. Players typically engage in repeated 30- to 90-minute runs, experimenting with synergies, relics, and ascension difficulty levels that add tougher modifiers. Many accumulate hundreds of hours by chasing high scores on daily climbs or testing self-imposed challenges, all within a turn-based structure that emphasizes strategic decision-making over reflexes. Because the game uses a custom Java engine with simple 2D art and particle effects, its base performance demands are very low. Most PC players experience smooth animation and combat resolution on modest hardware. The real demands surface once the active modding community enters the picture. Popular tools like ModTheSpire and BaseMod let players add new characters, entire card expansions, and quality-of-life improvements, but stacks of mods increase RAM usage, lengthen load times between floors, and can introduce occasional stutters from Java garbage collection or heavy particle effects during elaborate combats. Common pain points include launcher slowdowns with 20-plus active mods, brief hitches when screen shake and multiple status effects overlap, and crashes caused by insufficient memory. A frequent misunderstanding is assuming the game's light visuals mean any cheap or integrated-graphics system will feel perfect; in reality, reliable RAM capacity and a responsive CPU prevent the small frustrations that break the addictive loop of "one more run." Before choosing a PC, understand that this scenario rewards a balanced system tuned for consistent stability and fast loading rather than maximum frame rates or ultra visuals.