
Portal Bastion
Defend the crystal. Conquer.
0 ratings
Free
In-App Purchases
About
THE BASTION NEEDS ITS GUARDIAN.
Fight through twelve authored missions in a tactical action-defense adventure for iPhone and iPad. Intercept attackers, escape their warning zones, and keep the Bastion Crystal alive.
THREE WORLDS TO SAVE
Explore the ruins of Verdant Gate, face the luminous Crystal Depths, and break the siege of Ashen Keep. Each chapter brings new hazards and a portal boss.
MASTER YOUR WEAPON
Choose Blade, Bow, or Staff. Basic attacks automatically target nearby enemies, leaving you free to move, dodge, and time your two weapon skills. Craft equipment upgrades and bring an earned companion into battle.
EVERY WAVE COUNTS
Completed waves save rewards and an expedition checkpoint. Solo gameplay works offline. Return to an interrupted run at its next unbanked wave.
A COMPLETE ADVENTURE
The four Verdant Gate missions are free. A one-time Full Adventure purchase unlocks Crystal Depths, Ashen Keep, the campaign ending, and Challenge mode. The optional Guardian Supporter Pack is available to Full Adventure owners and includes a guardian appearance, three matching weapon appearances, and a portal trail. Cosmetics do not change combat statistics.
Designed for landscape touch controls, with left-handed controls, larger text, reduced effects, and independent sound and haptic settings. No ads or subscriptions.
Purchase ownership can be restored through the Adventure Store. Gameplay progress stays on this device and does not synchronize between devices.
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What's New in Portal Bastion
1.0
September 23, 2026
2
Subscriptions & In-App Purchases
$4.99
Full Adventure
Unlock chapters 2–3, the ending, and Challenge mode.


