Games like Diplomata the Game

It's a limited-actions-per-day browser fantasy game where you venture into dungeons, fight monsters, improve your character and gear to take on mightier foes… In common: role-playing (rpg).

A French browser-based game where you play a Troll in the deep caves of the Hall. In common: role-playing (rpg).

Browser based French game where 3 armies of smiley soldiers fight for the control of headquarters scattered on a huge pixel map. In common: role-playing (rpg).

Travian is a persistent, browser-based, massively multiplayer, online real-time strategy. In common: 4x (explore, expand, exploit, and exterminate), real time strategy (rts), role-playing (rpg).

FrontWars.io is a large-scale, multiplayer real-time strategy game where players battle for global dominance on a single massive map. In common: 4x (explore, expand, exploit, and exterminate), real time strategy (rts), role-playing (rpg).

High School of the Dead Day 0 is a free-to-play HTML5 browser gamedeveloped and published by CTW, Inc. In common: 4x (explore, expand, exploit, and exterminate), real time strategy (rts), role-playing (rpg).

Theme: Abyssus Deep Under transports players into an underwater world, where the mysteries of the deep ocean await exploration and conquest. In common: 4x (explore, expand, exploit, and exterminate), real time strategy (rts).

Fleet Conquest is a space-themed strategy game: build your fleet, grow your supply network, and fight back against the enemies of Super Earth who are trying… In common: 4x (explore, expand, exploit, and exterminate), real time strategy (rts).

Hegemarch is a real-time space strategy roguelite played in the web browser. In common: 4x (explore, expand, exploit, and exterminate), real time strategy (rts).

Web browser MMO game made by single person. In common: 4x (explore, expand, exploit, and exterminate), real time strategy (rts).