RISK is described as 'Now on iOS, Risk is a turn-based game of world domination. Mobilize against computer enemies, or challenge up to 6 real-world multiplayer opponents'. There are more than 10 games similar to RISK for a variety of platforms, including Android, Windows, Mac, iPad and Android Tablet. The best alternative is Domination, which is both free and Open Source. Other RISK like games are Age of Civilizations (Paid), TripleA (Free, Open Source), RISK: Global Domination (Freemium) and Warlight (Freemium).
TripleA is a free (under GPL) turn based strategy game based on Axis & Allies board game. A wide variety of map scenarios have been developed for TripleA (World War II, Punic Wars, Napoleonic wars, etc.
Lux Delux is a game of strategy and domination inspired by the board game Risk. Control your armies to conquer and hold strategic countries on the map. The object of the game is simple: Take over the entire world!
European War is a strategy game series based. Compete for territories, conquer enemies' capitals, and destroy the enemies. During the game you need to operate and distribute the three basic troops reasonably: soldiers, tanks and artillery. Represent entire series of European War games.
Choose a faction and awaken the legendary heroes to lead your armies and destroy enemy forces! Build cities, conquer kingdoms, and form or break alliances on tabletop-style maps with bonus cards that can turn the tide of battle.