Free games like ICBM
Below are 8 free-to-play Steam games similar to ICBM, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like ICBM page.
Ranked picks
- 1
Counter-Strike 2
Free-to-play alternative to ICBM — no purchase or trial window.
For over two decades, Counter-Strike has offered an elite competitive experience, one shaped by millions of players from across the globe. And now the next chapter in the CS story is about to begin. This is Counter-Strike 2.
- 2
Tom Clancy's Rainbow Six Siege
Free-to-play alternative to ICBM — no purchase or trial window.
Rainbow Six® Siege is the reference in tactical team shooters, where elite strategy and execution triumph. Enjoy free access to Quick Match, Unranked, and Dual Front game modes with a selection of operators.
- 3
World of Warships
Free-to-play alternative to ICBM — no purchase or trial window. Shares Strategy with ICBM.
Immerse yourself in thrilling naval battles and assemble an armada of over 800 ships from the first half of the 20th century — from stealthy destroyers to gigantic battleships. Change the look of your ship, choose upgrades to suit your play style, and go into battle with other players!
- 4
Crusader Kings II
Free-to-play alternative to ICBM — no purchase or trial window. Shares Strategy with ICBM.
Explore one of the defining periods in world history in an experience crafted by the masters of Grand Strategy.
- 5
PlanetSide 2
Free-to-play alternative to ICBM — no purchase or trial window.
PlanetSide 2 is an all-out planetary war, where thousands of players battle as one across enormous continents. Utilize infantry, ground and air vehicles, and teamwork to destroy your enemies in this revolutionary first-person shooter on a massive scale.
- 6
Minion Masters
Free-to-play alternative to ICBM — no purchase or trial window. Shares Strategy with ICBM.
An addictive fast-paced hybrid of Card games & Tower-Defense. Play 1v1 - or bring a friend for 2v2 - and engage in epic online multiplayer battles full of innovative strategy and awesome plays! Collect 200+ cards with unique mechanics, all free!
- 7
Bloons TD Battles 2
Free-to-play alternative to ICBM — no purchase or trial window. Shares Strategy with ICBM.
From the creators of Bloons TD6... Bloons TD Battles 2 is a brand new installment of the top-rated head-to-head tower defense game. Gather your Hero, choose your team of powerful Monkey Towers, and prepare to battle one on one against other players and relentless waves of Bloons!
- 8
DCS World Steam Edition
Free-to-play alternative to ICBM — no purchase or trial window.
Feel the excitement of flying the Su-25T "Frogfoot" attack jet and the TF-51D "Mustang" in the free-to-play Digital Combat Simulator World!