Unharvest is an upcoming reverse-farming incremental game developed and published by SkorpionDev, scheduled for full release on December 7, 2026, on Windows PC via Steam. Instead of planting and nurturing crops, players take control of an ominous presence tasked with draining the life from an overgrown wheat field until nothing living remains. The playable Steam demo showcases the game's core loop, upgrade trees, audio-visual transformations, and cryptic environmental narrative within a run lasting roughly 20 to 30 minutes.

Core Loop and Controls

The demo opens with a stark prompt stating that the soil has grown stagnant and the harvest is long overdue. Players navigate the 3D wheat field using standard WASD movement keys and use mouse inputs to interact with the environment:

  • Left-Click: Manually withers targeted stalks of wheat.
  • Right-Click: Unleashes an active locust swarm once unlocked.
  • Tab: Opens and closes the upgrade menu.
  • E: Interacts with landmarks, reads lore cards, or sits on specific resting points.

Each withered stalk yields skulls, the primary currency displayed in the top-left corner alongside a completion percentage counter. Players start by targeting individual stalks on a 3-second cooldown. As skulls accumulate, currency is reinvested into the upgrade menu to scale speed, range, and multi-harvest potential across the entire perimeter.

Upgrade Tree and Plague Abilities

Progression in the demo operates on an exponential curve. While early progress is slow, clearing fractions of a percent at a time, later abilities clear hundreds of stalks per second automatically.

UpgradeInitial Unlock CostFunction and Progression
Stalks Per WitherBase upgradeIncreases stalks taken per action from 1 to 2, 3, 5, 8, and 20 stalks.
Wither CooldownBase upgradeLowers click interval from 3.0s down through 2.0s, 1.5s, 1.0s, 0.7s, 0.4s, and 0.03s (100,000 skulls).
Unlock Spores100 SkullsGrants a chance for withering to spread to nearby stalks. Spread chance scales from 10% to 25%, 40%, and 50%. Radius expands from 1m to 3m, 6m, 10m, and 15m.
Hold to Wither1,000 SkullsQuality-of-life unlock enabling continuous withering by holding left-click.
Critical Wither100 SkullsAdds a critical proc chance (5% to 20%) that grants bonus skulls per withered stalk (+1, +5, +10).
Unleash Swarm10,000 SkullsActive skill sending a swarm of locusts in a forward line. Upgrades reduce cooldown from 60s to 30s, increase travel speed from 8 m/s to 40 m/s, expand width to 30m, and extend flight duration to 18s.
Auto Wither (Walk)High-tier Skull costAutomatically withers stalks within player proximity simply by walking through the field without clicking.

Several upgrades displayed in the interface are marked as exclusive to the full game release. These locked options include Blight, Rot, Rats, and additional Swarm Count multipliers.

World Changes and Environmental Lore

The environment actively reacts to player progression. At the start, the field features bright lighting, blue butterflies, and a turning windmill. As the percentage counter crosses milestones like 50% and 80%, noticeable atmospheric shifts occur:

  • The sky turns overcast and darkens toward an unnatural twilight.
  • Ambient music shifts into deep silence accompanied by distant crow calls.
  • Shadows and black vignette patterns frame the player's screen borders.
  • The windmill blades completely stop spinning.
  • Blue butterflies vanish from cleared ground.

Scattered throughout the map are interactive objects and lore cards that reveal pieces of the farm's history:

  • Scarecrow: Displays the prompt "It's been watching the whole time."
  • Scythe: Resting near a structure, displaying "Still sharp. Won't matter."
  • Mill: Features the text "The mill stopped. Nobody came to fix it."
  • Gravestone: A hidden marker with the message "They'll be back for the rest."
  • Barn Supplies: Stored grain accompanied by "They were saving this. For what, I wonder."
  • Tree Stump: Allows the player to sit and look out over the dead crop lines.
  • Lore Cards: Collectible parchment illustrations titled Prayer, Warning, Feast, Count, Visitor, and Omen. The Visitor card depicts a family standing beside a tall, horned demonic silhouette, while the Omen card references the Four Horsemen of the Apocalypse.

Once 100% of the crops are eliminated, the field is left entirely blackened, triggering a completion card with a timer confirming that fields beyond wheat will appear in the full release.

Platform and System Requirements

The demo is currently available as a free download on Steam for Windows. According to the game's official Steam listing, system requirements are structured as follows:

  • Minimum OS: Windows 10
  • Recommended OS: Windows 11
  • Features: Single-player, full controller support, customizable sensitivity, and stereo sound.

SkorpionDev noted in community updates that the demo reached over 25,000 wishlists within 10 days of its presentation during Steam Next Fest.

Frequently Asked Questions

What happens when you reach 100% in the Unharvest demo?

Reaching 100% field clearance eliminates every crop on the map, dims the environment completely, and displays a completion card. The screen shows your total clear time and prompts you to wishlist the full game or return to the main menu.

How do you unlock the locust swarm ability?

The locust swarm unlocks in the Tab upgrade menu once you accumulate 10,000 skulls. After purchasing it, aim at an untouched crop patch and press right-click to unleash the swarm.

Can you enter the windmill or the barn in the demo?

The buildings cannot be entered during the demo. While players can approach their doors and inspect items resting outside or near the entrances, the interiors remain inaccessible.

Does the demo support gamepads?

The official Steam store page confirms full controller support alongside keyboard and mouse controls. Players can also adjust look sensitivity and field of view in the options menu.