slither.io

Game images by RAWG

slither.io

Lowtech Studios (Steve Howse)

Browser; iOS; AndroidFree-to-play (ads); optional one-time purchase to remove ads

Health Score

MIXED

Official Website

About This Game

A simple, online multiplayer “snake” arena where players eat glowing pellets and other players’ remains to grow longer. Matches are short and skill-based (steering/boosting) with no storyline — the goal is to become the longest snake on the server. Multiplayer is anonymous (nickname only) and the mobile versions include ads and an option to pay to remove them.

Score Breakdown

Positive Aspects

Educational Value

1/5

Creativity

2/5

Pro-Social

2/5

Risk Factors

Addictive Monetization

1/5

Time Pressure / FOMO

3/5

Social Risk

2/5

Content Intensity

1/5

Negatives

•Online multiplayer exposes player-chosen usernames (can be inappropriate)
•Ads and pop-ups can be disruptive
•Repetitive gameplay and potentially addictive short-round loop
•Occasional lag or server issues

Positives

•Very simple controls and rules
•Quick matches good for short play sessions
•Promotes hand-eye coordination and basic strategic thinking
•Free to play with optional one-time payment to remove ads

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Official Ratings

Not Rated

ESRB

Cartoon/non-graphic violence (explosion on death)

In-App Purchases (remove ads); Ads; Online interactions (player usernames)

PEGI 3

PEGI

Non-graphic/low-intensity violence

Age Recommendations

ℹ️Ages 3-5

Not recommended — game speed, online opponents, and frequent ads make it poorly suited for preschool children.

ℹ️Ages 6-8

Use with supervision. Children can enjoy the simple controls, but watch for ads, inappropriate usernames and ensure they understand not to click ads or share personal info.

ℹ️Ages 9-12

Generally OK with basic guidance. Explain online-safety (don’t enter personal info), monitor for inappropriate usernames and set time limits to avoid excessive play.

ℹ️Ages 13-15

Appropriate. Encourage responsible playtime limits; discuss that interactions are anonymous and report or block any problematic behavior. Ads may still appear in mobile versions.

ℹ️Ages 16-18

Appropriate. Players can use the game freely — consider limiting play sessions to avoid compulsive short-round grinding.