Planet Killer Review

Villainy as a Genre, Executed With a Great Hook

Planet Killer's pitch is disarmingly simple and, according to its review pool, genuinely delivers: pilot a ship into orbit around a hostile world, unload an arsenal of missiles, beams, and projectiles, and watch the planet's surface actually crater, burn, and crack apart in real time as you carve it up. Reviewers repeatedly single out that physics-driven destruction as the game's best idea — one describes the appeal as watching "small pixels being set on fire" against an ominous soundtrack, while another simply calls it "the most badass concept for a game," comparing the terrain destruction to a falling-sand simulation layered under a roguelite shooter. It's a rare pitch that reviewers say the execution actually lives up to, rather than undercutting with a thin demonstration of the idea.

That villain's-eye framing extends past the core loop into tone. Several reviewers specifically call out how unusual it feels to play the aggressor rather than the defender — one describes getting "hooked being the villain for once," while another jokes about growing to resent the planets' feeble attempts at self-defense before deciding they simply deserve what's coming. It's a small thematic choice, but it's one that shows up again and again across the review pool as a genuine part of the game's appeal rather than an afterthought.

A public demo ran for months before launch, and a meaningful number of reviewers reference having played it extensively — one specifically says they worried the demo would "ruin the game" for them by the time the full release arrived, only to find the finished game held up. That kind of pre-launch groundwork clearly built real goodwill, with the review pool's most enthusiastic voices consistently framing the full release as delivering on a promise the demo had already made.

An Enormous Arsenal, Built for Build-Chasing

Where Planet Killer earns its strongest praise is scope. Reviewers describe an enormous roster of unlockable ships — "too many to count," in the words of one — spanning wildly different playstyles from slow, heavily armored tanks to fast, fragile skirmishers, alongside a weapons pool one reviewer estimates runs into "literally several billion combinations" once loadouts, rarities, and ship synergies are factored in. For players who enjoy build-chasing roguelites, that scope is repeatedly cited as the game's main hook for long-term play, with several reviewers logging well over 1,000 minutes and still describing themselves as far from unlocking everything.

The comparisons reviewers reach for are telling: FTL, Vampire Survivors, and other genre touchstones come up repeatedly, with one reviewer explicitly framing Planet Killer as "an analogue to an early Vampire Survivors," acknowledging real rough edges around the concept's core while still recommending it to anyone who clicks with the underlying gameplay loop. That's a fair summary of where the review pool lands broadly: reviewers who enjoy escalating, chaotic roguelite runs tend to forgive quite a lot in service of that scope and replayability, and the sheer amount of unlockable content at a $12.99 price point draws specific, repeated praise as an unusually generous amount of game for the money.

Balance and Readability Problems Are the Review Pool's Real Fault Line

The most consistent and pointed criticism across the negative reviews is balance, and it shows up with enough specificity and frequency to read as a real structural issue rather than a handful of frustrated outliers. Multiple reviewers describe being one-shot by enemy weapons that are difficult or impossible to see against the black of space, with one flatly stating that "bullets are extremely hard to see, even if the background is the black of space." Others describe damage numbers that don't track logically between weapon tiers — one reviewer specifically recounts a supposedly upgraded legendary weapon dealing less damage than the common-rarity gun it replaced — and several describe runs snowballing from manageable to instantly lethal with little warning as difficulty scales.

A second, related complaint concerns performance at the higher end of runs: multiple reviewers independently describe the game turning into what more than one calls a "slideshow" once weapon effects and particle counts pile up deep into a run, with one noting that massive damage numbers stopped even registering properly against a planet due to the slowdown. It's a complaint specific enough, and repeated by enough different reviewers independently, to be a real technical limitation rather than an isolated hardware issue, though at least one reviewer reports the framerate improving meaningfully after a post-launch patch.

A smaller subset of reviews accuse the game's ship and planet-description content of being AI-generated, pointing to wingmen that are described as uninspired "pixel-copies" of the player's own ship and formulaic descriptions attached to in-game trading locations. It's a minority complaint within the broader pool, but it appears with specific enough detail to be worth flagging as a sourced, if disputed, criticism rather than dismissing it outright.

A Developer Actively Patching, With Mixed Feelings About the Direction

What runs through nearly the entire review pool, positive and negative alike, is acknowledgment that the developer is shipping fixes fast — cloud-save and mid-run-save support arrived within days of launch, a reported crash bug was patched quickly, and multiple reviewers describe personal bug reports getting addressed within 24 hours. One reviewer explicitly credits that responsiveness for flipping their review from negative to positive after a framerate issue was resolved.

Not every player is happy with the direction those patches have taken, though. A vocal minority specifically object to post-launch balance changes they characterize as nerfs to player power in what is, after all, a single-player game — one reviewer opens flatly with "this dev is set on destroying" what was otherwise a great game, and another sarcastically notes that strong, satisfying build combinations are apparently not allowed to exist for long. It's a real tension in the review pool between players who want the balance tightened toward fairness and players who came for unrestrained, escalating power fantasy and feel that fantasy is actively being walked back update by update.

Verdict

Planet Killer nails an unusually satisfying core concept — physically destroying planets from orbit, backed by a genuinely enormous roster of ships and weapons — and a fast-moving, responsive developer has already addressed some of its rockiest launch-week problems. But readability issues with enemy projectiles, wildly inconsistent damage scaling, and real late-run performance slowdown are frequent, specific complaints rather than isolated gripes, and a portion of the audience is actively unhappy with where post-launch balance changes are heading. At $12.99, it's an easy recommendation for roguelite fans who want a build-chasing power fantasy and can tolerate some jank, but players sensitive to balance inconsistency or performance dips should wait to see where ongoing patches land it.

Pros:

• A genuinely satisfying, physics-driven planet-destruction concept that lives up to its own pitch
• An enormous roster of unlockable ships and near-limitless weapon combinations
• Strong value at $12.99 given the sheer amount of unlockable content
• A demonstrably fast, responsive developer patching bugs and crashes within days
• Distinctive villain's-eye framing that reviewers repeatedly call out as a genuine draw

Cons:

• Enemy projectiles are frequently reported as difficult or impossible to see against space
• Damage and weapon-tier scaling is inconsistent enough to frustrate build planning
• Runs can devolve into a "slideshow" once particle effects pile up late-game
• A vocal minority say post-launch balance patches are undercutting the game's power fantasy
• A minority of reviewers flag AI-generated wingman and location content as a concern