Hayfever

A precision platformer where sneezes propel you through hazards

Pixadome · Released Feb 24, 2020

Reviews: Very Positive; 90% of 70
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 6 years ago; Aug 24, 2020
Minimum PC: HD 4000; 2 GB RAM · 0.8 GB disk; Full requirements

What is Hayfever?

This single-player, side-scrolling platformer follows Thomas, an allergic mailman recovering lost letters. You navigate levels across four seasonal worlds, using pollen to launch through the air and smog to inflate like a balloon.

For you if...

+you enjoy fast movement and demanding platforming
+you like searching levels for secrets and collectibles

Not for you if...

−you prefer relaxed challenges without repeated attempts

What players say

90% of 70 reviews are positive

Players praise the level design, evolving mechanics, and well-placed checkpoints. Recent reviews criticize unreliable controls, especially jumps and other inputs that fail to register.

Screenshots and trailer

Hayfever system requirements

Minimum: HD 4000, 2 GB RAM, 0.8 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 7 or newer
Processor: Intel Core i3 M380
Graphics: Intel HD 4000
Memory: 2 GB RAM
Storage: 850 MB available space
DirectX: Version 10

Does Hayfever have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Hayfever run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows
Achievements: 30
Steam features: Family Sharing
Languages: Text only: English, French, Italian, German, Spanish - Spain, Japanese, Polish, Portuguese - Portugal, Portuguese - Brazil, Russian, Simplified Chinese, Swedish.

Does Hayfever use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam