Full list of all 20 Risk: Urban Assault achievements worth 1,000 gamerscore. It takes around 25-30 hours to unlock all of the achievements on Xbox One.
Win an online multiplayer game.
Win the outlaw bounty 10 times.
Win 7 games in a row.
Complete 8 games each with a different commander.
Honor 10 ceasefires.
Destroy 100 troops with missiles.
Buy 20 facilities.
Draft 1000 troops.
Win 30 mayoral elections .
Capture a missile base.
Complete a game in RISK League mode.
Destroy 1000 enemy troops.
Complete a game with each of the 5 factions.
Spend 100 stars.
Purchase 20 troops in one turn.
Win a game with Commander Volgoth.
Reach turn 5 having lost no more than 3 districts.
Capture a town hall.
Win the General's League.
Play for 24 hours.