Terraria

Often described as two-dimensional Minecraft, which undersells how differently it is structured. Re-Logic's 2011 sandbox is built around a boss ladder: the world holds hundreds of items, but most are gated behind defeating something, and each kill visibly changes what spawns, what ores exist and where you can survive. Progression therefore has a direction, and the building exists to serve it — you dig for materials, then build arenas and housing for the NPCs whose shops unlock the next tier. Its underground is genuinely worth exploring, with hand-designed structure types seeded into generated terrain, and its combat is far more involved than the surface comparison suggests, with hundreds of weapons that behave distinctly rather than scaling numerically. The support record is remarkable: Re-Logic has repeatedly announced a final update and then shipped another substantial one, and 1.4 Journey's End added an entire expert-above-expert difficulty, a new class and a creative-adjacent mode a full nine years after release. It remains one of the best-value games on any storefront.