LumiKin

Know what a game does to your kid — before they play.

Linocut illustration of a magnifying glass examining colorful building blocks on a small map.

The desk

How we score Roblox experiences and Fortnite Creative maps

The same kid plays a hundred different games under one platform's logo. Here is how LumiKin rates each experience separately — and the confidence gate that stops us from rating ones we can't see clearly.

Read the essay →

Reading room

All guides →

Guides and essays for parents who play along.

A linocut diptych under a single frost-star. On the left, a craftsman's workbench: a fantasy map pinned to the wall, a sword driven into an anvil, a sealed unmarked game box, a strategy board, chisels and a treasure chest — a finished, complete game at rest. On the right, the same world fed through a storefront machine: a slot machine, a coin conveyor tended by tiny workers, stacks of coins, and a large round meter-gauge with a single sweeping needle ticking toward a red danger zone — the recurring-revenue engine.

Essay

Blizzard Entertainment: the studio that perfected the game, then perfected the storefront

Blizzard built its name on finished, self-contained masterpieces — Warcraft, StarCraft, Diablo. Then it discovered the most profitable thing it could sell wasn't a game but time inside one. Here's how the studio changed, fact-checked — and what LumiKin's scores show happened to the games.

Read the essay →
A linocut of a friendly cartoon game mascot whose shadow on the wall behind it is a tangle of hooks, fishing lines and a slot-machine lever; deep charcoal ink on warm cream with a single crimson hook picked out in the shadow.

Essay

Dark patterns in kids' games: a field guide for parents

Game designers have a vocabulary for the tricks that get children to play longer and spend more. Most parents don't — which is exactly the point. Here's the taxonomy, named and illustrated, so you can spot the patterns your child can't.

Read the essay →
Linocut illustration: a ten-year-old strides up a path from a small world of toy blocks and a rocking horse toward a bigger landscape of castles, mountains and a dragon.

Age Guide

Best games for age 10 — eight LumiKin-rated picks for the in-between year

Ten is the age where 'kids' games' start feeling too small and 'teen games' aren't quite right. Here are eight LumiKin-rated games that hit the middle, with scores pulled live from our rubric.

Read the guide →
Linocut illustration of a young child stacking blank wooden blocks beside a game controller and a sprouting plant.

Age Guide

Best games for age 8 — seven LumiKin-rated picks that grow with the kid

Eight is the age where 'kids' games' start clicking. Here are seven LumiKin-rated picks that meet an eight-year-old where they are, with scores pulled live from our rubric.

Read the guide →
Linocut illustration of a game controller wired by glowing threads to small floating islands.

Game Safety

Bundled online modes: why GTA V, RDR2, and Minecraft score the way they do

Three of the best-built games of the last decade ship with an online mode in the same launcher. Here's why LumiKin scores the base game — and how to keep the bundled mode from sneaking in.

Read the guide →
Linocut illustration of a ruler, magnifying glasses and a balance scale examining an abstract game shape.

Game Safety

ESRB, PEGI, and LumiScore — what each one actually measures

ESRB and PEGI rate what is in a game. LumiScore rates what the game does to a developing brain. Same product, different question — and the answers diverge more than you'd expect.

Read the guide →

By the numbers

How a LumiKin rating is built

One game, three steps: what it is, what we found in it, and what we recommend.

What we found

Growth (BDS)

37

Risk (RIS)

52

Daily limit

60min

Benefits

B1CognitiveProblem solving, strategy, creativity, memory — the B1 group
0.56
B2Social-emotionalTeamwork, communication, empathy, ethical reasoning — the B2 group
0.47
B3MotorHand-eye, fine motor, reaction time, physical activity — the B3 group
0.35

Risks

R1Dopamine designVariable rewards, streaks, FOMO, near-miss — the R1 group
0.50
R2MonetizationPay-to-win, currency obfuscation, child-targeting — the R2 group
0.00
R3Social riskStranger interaction, toxicity, identity pressure — the R3 group
0.39
60
Sub-dimensions scored
2
Composite scores — benefit and risk
0–100
The LumiScore scale
15–120
Recommended minutes per session
What we suggest

Why:Risk score is moderate — notable engagement mechanics to watch for.

Every score traces to a public, version-controlled rubric.

See the full rating →Read the full methodology →Download PDF →

For parents

Build your family's shelf

Save the games your kids play, track recommended screen time, and see at a glance what fits each child — free.

  • 1Save and track every game your family plays
  • 2Get age-fit picks for each child
  • 3Import your Steam library in one step

Methodology

How scores work

Every game is scored on developmental benefits and design risks across 60 sub-dimensions from a public rubric. The two scores combine into a recommended session length — from 15 minutes to two hours — that reflects how the game is built, not a generic limit.

Benefits

Benefits cover ten cognitive dimensions (problem solving, spatial awareness, strategic thinking, creativity, and more), six social-emotional dimensions (teamwork, communication, empathy, ethical reasoning), and four motor dimensions — weighted into a Benefits Development Score (BDS)Benefits Development Score: a 0–100 rating combining cognitive, social-emotional, and motor benefits the game offers..

Risks

Risks are scored across dopamine manipulation design (variable rewardsRewards given on an unpredictable schedule — sometimes you get a great drop, sometimes nothing. The same mechanic that powers slot machines; it keeps players engaged longer than fixed rewards., streaksMechanics that track consecutive days of play. Skipping a day breaks the streak and forfeits progress, which pressures kids to log in even when they don’t want to., FOMO triggersFear of Missing Out. Limited-time events, seasonal items, or one-off rewards that punish players for not playing right now.), monetization pressure (pay-to-winWhen spending real money gives a meaningful gameplay advantage — better gear, faster progression, or wins that free players can’t match., currency obfuscationUsing in-game currencies (gems, V-Bucks, Robux) instead of dollars, so it’s hard to tell how much something actually costs in real money., child-targeting), and social risk (stranger interaction, toxic competition, identity pressure) — combined into a Risk Influence Score (RIS)Risk Influence Score: a 0–100 rating combining dopamine pressure, monetization pressure, and social risk in the game’s design..

Built on a public rubric — version-controlled and free to download.

16,755Games rated
1,676Rated this week
53Platforms covered