Valve is an American video game developer, publisher and digital distribution company. It is the developer of the software distribution platform Steam and the franchises Half-Life, Counter-Strike, Portal, Day of Defeat, Team Fortress, Left 4 Dead and Dota. The company was founded by former Microsoft employees Gabe Newell and Mike Harrington.

Valve

Prospero

PC (Microsoft Windows)

Prospero was one of Valve's first game designs, slated to come out shortly after Half-Life.

Steps to reproduce, what you expected to happen, and what actually happened...

Title is required

You haven't submitted any bug reports yet. Found an issue? Use the button in the bottom-right corner to report it.

No bug reports yet

My Bug Reports

Report a Bug

Title

Briefly describe the bug...

Untitled

Help us understand how the site is used so we can improve it.

We use our own and third-party cookies to improve your browsing experience, analyze site usage and personalize content.

Essential for the site to function: authentication, language and visual theme.

Allow us to remember your preferences and personalize your experience.

Choose which types of cookies you want to accept. Necessary cookies cannot be disabled as they are essential for the site to function.

Cookie settings

Choose a Cover

Price drop!

Best offers

Alternative Titles

Subtitles

Regional Titles

All Terrain

Archaeologist

Archivist

Backlog Guru

Rookie Collector

Connector

Conqueror

Constructive Critic

Curator

Dedication

Editorial Legend

First Cartridge

First Impression

Follower

Full Shelf

Gameplay Master

Genre Explorer

Golden Display

Golden Pen

Get one of your lists to receive 10 or more visits.

Influencer

Level 10

Level 25

Master Collector

Multiplatform

Museum Legend

No Prejudice

Organizer

100%

Physical Present

Platformer

Puzzle Solver

Real Shelf

Serious Library

Sincere

The End

Time Traveler

Veteran Hero

Voice of the People

Welcome

You reached

You are now {title}!

{username}'s Gamification

XP History

{count} games tagged with {keyword} on Shelve·ly. Shelve the ones you paused, mark the ones you finished.

Games tagged with {keyword} on Shelve·ly. Shelve the ones you paused, mark the ones you finished.

Games tagged {keyword}

Similar Games

Trending Keywords

Review title

What did you think of the game?

Add to collection

Name

My Collection

Game lists

Describe the games you want to include using natural language

Create Smart List

Modify the prompt to get a new AI result. The list filters and games will be updated.

Regenerate smart list

Lists

Achievement unlocked!

You have achieved {tierTitle}. Keep it up!

You reached level {level}!

My Notifications

Notifications

You have accumulated {xp} XP. You are doing great!

XP Milestone

The platform you're looking for doesn't exist or has been removed.

Browse and discover {name} platform, its commercial versions, and video games on Shelve·ly. Filter by genre, rating and year.

{name}

Description

The variation you are looking for does not exist.

Platform variation

The platform version you are looking for does not exist.

Platform version

Discover the most notable reviews and opinions about video games

Edit review

The review must be at least 50 characters

Your review has been published successfully

Your review has been updated successfully

Title (optional)

Write a review

Try different search terms or adjust the filters

Search games

Explore games and add the ones that interest you most

Developers

Publishers

Platforms

Prospero

Description

Media

Similar Games

Community reviews