Player Decision Brief

99Day Survival Guide

Consider it if you want top-down zombie action with randomized builds and the option to play solo or in a four-player online team. Its wave survival and escalating threats may not suit players looking for a slower-paced game.

$8.87 Windows Action Nov 10, 2026 89% Positive (75 reviews)

$8.87 View on Steam

Is 99Day Survival Guide Right For You?

Best For

✓ Players who enjoy top-down zombie combat
✓ Friends looking for online co-op for up to four
✓ Fans of randomized runs and build combinations
✓ Players who want both solo and co-op options

Think Twice If

! Players who prefer slow-paced or low-pressure action
! Anyone seeking a primarily story-focused game
! Players who need support on platforms other than Windows

Before You Buy 99Day Survival Guide

Check the Steam page for the current price and availability.

Compare your PC with the listed minimum and recommended requirements.

Confirm your preferred language in the Steam language details.

The game supports solo play and online co-op; check the Steam page for any co-op requirements that matter to your group.

Full controller support is listed on Steam.

99Day Survival Guide Fit Matrix

Coop

High

Solo

Medium

Grind

Medium

Story

Low

Performance risk

Medium

Beginner friendly

Medium

99Day Survival Guide Key Features

Solo survival or online co-op

99Day Survival Guide supports single-player and online teams of up to four, so you can face the infected zone alone or with friends.

Wave-based zombie threats

Zombie waves grow more ferocious, and nighttime brings more zombies with greater detection.

Randomized power-ups and builds

Roguelike randomization, talents, and weapon choices let players combine different approaches to combat.

A varied weapon roster

The game describes more than 20 card-based weapon types and temporary weapons such as chainsaws and RPG launchers.

Team support in co-op

Co-op teams can share resources and revive fallen teammates, with the stated goal of escaping together.

Steam and controller features

The Steam listing includes full controller support, achievements, Steam Cloud, and leaderboards.

99Day Survival Guide Screenshots

99Day Survival Guide FAQ

Can you play 99Day Survival Guide solo?

Yes. 99Day Survival Guide supports single-player, and its description presents solo play as a challenge alongside co-op.

Does 99Day Survival Guide have online co-op?

Yes. It supports online co-op for up to four players, with features including reviving fallen teammates and sharing resources.

What platforms and languages does it support?

The listed platform is Windows. Supported languages include English, German, Russian, Japanese, Korean, French, Italian, Spanish, and Chinese, among others; check the Steam page for the full language details.

What kind of gameplay should players expect?

Expect top-down zombie combat, increasingly dangerous waves, randomized power-ups, and weapon and talent combinations. The description also highlights changing threats between day and night.

What should I check on the Steam page before buying?

Check the current price, system requirements, and supported language details. The Steam listing also specifies full controller support, Steam Cloud, achievements, and leaderboards.