Main Bastion
Alex
As darkness deepens and monsters emerge from their shadowed dens, the fate of humanity hangs by a thread. Take command of the last bastion! Build cunning traps, merge towers, choose unique upgrade cards, and level up your defenders. Can you hold the walls against dragons and their hordes?
Overview
As darkness deepens and monsters emerge from their shadowed dens, the fate of humanity hangs by a thread.
The world has fallen into shadow. Only the mighty walls of your citadel and the courage of your warriors stand between peace and total chaos. Take command of the final frontier as hordes of beasts march toward your stronghold.
STRATEGY, TACTICS, AND SURVIVAL
You are the architect of your own victory. Build a powerful defense, set cunning traps, station brave defenders on the walls, and use sentry towers to protect your kingdom. Each tower has unique abilities, and choosing the right combination is key to survival.
YOUR ARSENAL GROWS
Your arsenal expands as you progress, unlocking new traps and upgrades over time:
• Traps of Many Kinds: From electric shock traps to trampoline launchers that send enemies flying — and many more to discover as you advance.

• Tower Merging: Combine identical towers to increase their level and power.

• Defender Upgrades: Improve your wall units and turn them into an elite force.

CARDS OF FATE
Before every wave, you must make a difficult choice. The "one of three" system offers unique upgrade cards. What will it be? Gold, magical spells, free traps, or something far rarer? There are many cards, and each one changes the course of battle.

GENERALS AND RECONNAISSANCE

Your defense is led by legendary generals. Each one grants unique bonuses: one fortifies walls and towers, another empowers archers, a third strengthens magic. Meanwhile, your scouts bring word of the approaching wave, letting you prepare for bosses.

A LIVING WORLD AND SMART ENEMIES
• Different Reactions: Goblins, dragons, and other creatures react differently to your traps — factor this into your tactics.
• Bosses and Morale: Mighty bosses can summon reinforcements. But if the boss falls, its army may waver and flee!
• Global Map: Explore the world to understand where the threat will come from.

COMPETITIVE SPIRIT
• Achievements: Earn medals for feats in battle.
• Leaderboards: Fight for a place in the daily rankings or prove your supremacy in the global list of top commanders.

Can you adapt your strategy to the rising difficulty and hold the citadel?
KEY FEATURES
• Dynamic Upgrade System: Choose one of three unique cards before each wave (gold, magic, traps, and much more).
• Deep Defensive Tactics: Combine a growing variety of traps — from electric shock traps to trampoline launchers — and merge identical towers to upgrade them. New traps unlock as you progress.
• Generals: Pick a commander whose bonuses fit your strategy (buffs for towers, archers, or magic).
• Smart Enemies and Bosses: Enemies react differently to traps, and bosses can summon reinforcements. Destroy the leader to demoralize the army.
• Progression and Upgrades: Level up your wall defenders and unlock medal achievements.
• Competition: Daily and global leaderboards for hardcore and competitive players.
• Reconnaissance: Receive intel on enemy waves in advance to prepare the perfect defense.
Genres
Ways to play
- Single-player
Weak PC? It still plays
Play Main Bastion on a weak PC
Main Bastion needs at least 4 GB of RAM. Cloud PC is a Windows computer with a strong GPU in the cloud. You control it from your laptop, phone or desktop.
Turn on Cloud PC
Log in to Thinkmay and start your machine. You get a Windows desktop of your own.
Install the game
Install Main Bastion from Steam as you would at home.
Play on any device
Play on a laptop, phone or desktop. Controllers and microphones work.


























