Asteroid Onslaught: Command. Defend. Survive. is a single-player action strategy indie game built around managing autonomous drone squads to hold a defensive line against relentless asteroid waves on PC. Players balance automated systems with direct interventions to keep extractors running, shields active, and guns firing through escalating threats.
Gameplay
The core loop centers on a resource chain that powers every shot and repair. Drones shatter incoming asteroids on their own, limpets collect the resulting fragments, and workers maintain extractors along with the shield generator. When the chain holds, firepower stays consistent. Interruptions leave weapons silent long before a wave ends.
Command options let players stay hands-off or step in at key moments. A commander can force a specific target, recall the squad for rearming, or seize direct control of units when an asteroid slips through the perimeter. Six loadout slots determine the entire army, with a dozen drone types and ten battlefield assists competing for those positions. Choosing one upgrade or unit means forgoing another, which creates distinct run-to-run differences.
Between waves, three upgrade cards appear and players select two, or more if the wave clears before the bonus timer expires. Picks focus on firepower boosts, economy improvements, or a mix that matches the current run's needs. The system rewards quick adaptation rather than fixed builds.
Game Modes
Endless-style survival comes in three run lengths: 10 waves, 25 waves, and 50 waves. Each length sits inside one of six difficulty tiers that range from Novice to Impossible. Higher tiers introduce boss waves, fragment storms, simultaneous spawns from multiple directions, and wind storms that alter asteroid paths.
Steam leaderboards track performance on every level and difficulty, giving players a clear way to measure progress against others. Shorter runs suit quick sessions while longer ones test sustained resource management and upgrade choices under mounting pressure.
Drone Loadouts and Resource Management
With only six slots available, every decision carries weight. Drone types handle offense, collection, or support roles, while assists provide temporary battlefield effects. Unlocking new options expands choices but still forces trade-offs, so no single loadout covers every situation. Players experiment across runs to find combinations that survive particular wave patterns or difficulty spikes.
The economy ties directly to the asteroid fragments collected. Steady collection keeps extractors and shields operational, which in turn sustains drone activity. A break in the chain forces commanders to intervene more often or accept reduced firepower until repairs finish.
Is It Worth Playing?
Asteroid Onslaught suits players who enjoy wave-based survival games that mix automation with meaningful intervention. The limited loadout slots and upgrade card system encourage repeated runs with different strategies rather than one optimal build. Those who like managing resource flows and reacting to sudden threats will find the core loop engaging across the available wave lengths and difficulties.
The game offers clear progression through its tiered difficulties and leaderboards without requiring external content. It appeals most to fans of indie strategy titles that reward observation of automated systems alongside timely player decisions. Shorter runs provide accessible entry points, while longer ones deliver extended challenges for those seeking deeper endurance tests.
