Thunder Tier One

Live

ShootersActionSimulation

Platforms
Release:: 2021
Developer:: KRAFTON, Inc.
Scale:: Average concurrent players40
Player rating:: 69.3% · 5.7K
Profile data as of:: August 29, 2026

Thunder Tier One is a realistic top-down shooter where you join an elite special operations team tasked with stopping a dangerous terrorist organization wreaking havoc across the fictional Eastern European country of Salobia.

Official website

Screenshots

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Videos

Videos from the game’s source page, in source order. Select one to open the original.

Overview

Franchise: Unknown
Release date: Windows — December 7, 2021
Developer: KRAFTON, Inc.
Publisher: KRAFTON, Inc.
Age rating: PEGI 16 — age 16+ · Steam Store
USK 16 — age 16+ · Steam Store
GRAC 15+ — Ages 15+ · Steam Store
ClassInd 14 — Ages 14+ · Steam Store
Content warnings: Frequent violence or goreMature content
Interaction modes: Single-player
Session capacity: Unknown
Access model: Free to play
Monetization: Unknown
Storefront price: Unknown
Store contents: 36 Achievements · Steam Store, August 29, 2026
Languages: EnglishRussianGermanKoreanChinese, Simplified scriptChinese, Traditional script

Classification

Genres: ShootersActionSimulation
Evidence:
Setting and subject matter: Military
Camera: Top-down
Visual style: Unknown
Combat system type: Shooting, Tactical combat

Scale

Concurrent players · period average

August 18, 2026 — September 17, 2026

under 100over 1 million

Detailed value: 40.27
Coverage: Steam
Origin: Published by source
Confidence: Medium — The site's calculation method is not published
Basis: Average concurrent Steam players over 30 days from Steam Charts: 40
Date observed: September 17, 2026
Source: Steam Charts

Concurrent players · period peak

152

August 18, 2026 — September 17, 2026

under 100over 1 million

Coverage: Steam
Origin: Published by source
Confidence: Medium — The site's calculation method is not published
Basis: Peak concurrent Steam players over 30 days from Steam Charts: 152
Date observed: September 17, 2026
Source: Steam Charts

Ratings: players69.3% · 5.7KSteam, US storefront · Steam reviews
critics65%Steam, US storefront · Steam Store
Last update: May 15, 2025 — Thunder Tier One: Refund Process Guide (0 updates over 90 days) · Steam update feed

Concurrent players

period average · September 2016 — August 2026 · Steam · published by source · Steam Charts

1,2100

September 2016August 2026

Change over period: ×1057.8increase from 0 (September 2016) to 42 (August 2026)
Gaps: No data for 5 months: August 2017 — December 2017
No data for 46 months: February 2018 — November 2021
Observations: 69

Mechanics

Key game systems from the Mechanics Catalog. Assessment axes are independent and are not combined into a single score. An unassessed mechanic is unknown, not absent.

Clan system
Not assessed
A persistent player organization created or recognized by the game itself, with a stable membership, a life beyond one session, a shared identity, functions, and goals.
Player economy
Not assessed
An in-game system where player decisions materially influence at least part of the production, supply, distribution, or price of in-game value.
Territory control
Not assessed
A system where players or organizations capture, hold, and use parts of the game world with lasting consequences.
Competitive PvP
Not assessed
Structured competition between players with rules and a measurable outcome, usually including skill-based matchmaking.
Live service and updates
Not assessed
A regular rhythm of meaningful updates, including seasons, patches, events, and a roadmap that supports a long product life.
Character progression
Not assessed
A system for long-term character or account development through levels, skills, equipment, and specializations.