Games like Ultima Online
Ranked by how closely each game's gameplay profile, monetization, and world design match Ultima Online — not by popularity. Similarity blends attribute distance across PvE/PvP focus, grind, combat, and social systems with shared tags and curated links.
Ultima Online is a sandbox MMO with tab-target combat on a free-to-play + sub option model. Of the picks below, 10 of 10 share its sandbox world, 9 of 10 share its tab-target combat and 9 of 10 share its open-world PvP.

Tibia
#1 · 93% similar
vs Ultima Online: Tibia is harder to catch up in, lighter on crafting and less alt-friendly.

Wurm Online
#2 · 86% similar
vs Ultima Online: Wurm Online is less alt-friendly, harder to catch up in and less PvP-focused.
UO Outlands
#3 · 85% similar
vs Ultima Online: UO Outlands is more PvP-focused and harder to catch up in, with a free-to-play model instead of free-to-play + sub option.
Shroud of the Avatar: Forsaken Virtues
#4 · 81% similar
vs Ultima Online: Shroud of the Avatar: Forsaken Virtues is more PvE-focused and less alt-friendly, with no open-world PvP.

Ravendawn
#5 · 80% similar
vs Ultima Online: Ravendawn is harder to catch up in, less alt-friendly and less solo-friendly.

Haven & Hearth
#6 · 75% similar
vs Ultima Online: Haven & Hearth is heavier on scheduled chores, harder to catch up in and less alt-friendly.

Apogea
#7 · 74% similar
vs Ultima Online: Apogea is lighter on crafting and seen as less pay-to-win, with a free-to-play model instead of free-to-play + sub option.

EVE Online
#8 · 73% similar
vs Ultima Online: EVE Online is more PvP-focused, more guild-dependent and less solo-friendly.

Old School RuneScape
#9 · 72% similar
vs Ultima Online: Old School RuneScape is harder to catch up in, less guild-dependent and seen as less pay-to-win.

Albion Online
#10 · 72% similar
vs Ultima Online: Albion Online is more PvP-focused and more guild-dependent, with hybrid combat instead of tab-target combat.
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