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Thunder Tier One

Thunder Tier One

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.

Released Dec 7, 2021 Developer KRAFTON, Inc. Platforms Windows Free to PlayOnline Co-OpTop-Down ShooterTacticalShooter
View on Steam ↗ Free (US · as of 2026-07-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.

66.8%positive4,735 reviews
Recommended · 8 found this helpful

“for a free to play indie title thats really done well in the isometric scene it honestly deserves a 10/10, even if it has bugs that i havent run into yet, whos complaining? (the entitled maybe?) One thing that would be a sweet addition though. Not only just have MP lobbys based…”

— a player, Steam review · 13 hrs played
Recommended · 8 found this helpful

“def was not expecting this game to be as fun as it was and i was just playing with randos lmao!”

— a player, Steam review · 1 hrs played
Not recommended · 2 found this helpful

“The controls are cumbersome, I did not enjoy playing this. It's really exhausting getting everything right at once. And the visuals aren't clear enough.”

— a player, Steam review · 8 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-24 00:06 UTC · history via SteamCharts.

14playing at last check
7324-hour peak
6,382all-time peak
0 1k 2k 2017 2018 2022 2023 2024 2025 2026 1.2k avg · Dec 2021

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.

36achievements
2.1%median completion
0.5%rarest: Mission's Possible
80.8% of players 72.0% of players 70.7% of players 47.4% of players 38.8% of players 36.7% of players 22.1% of players 19.3% of players 16.2% of players 15.0% of players 11.0% of players 7.8% of players 6.8% of players 6.3% of players 5.9% of players 3.8% of players 2.8% of players 2.2% of players 2.1% of players 1.8% of players 1.8% of players 0.9% of players 0.8% of players 0.8% of players 0.6% of players 0.6% of players 0.6% of players 0.6% of players 0.5% of players 0.5% of players 0.5% of players 0.5% of players 0.5% of players 0.5% of players 0.5% of players 0.5% of players 80.8% 0% most earned rarest
Almost everyone has
80.8%Recruit Operator — First confirmed kill
72.0%Body-bagged I — First death
70.7%Recruit Brother-in-arms — First kill assist
Rarest badges of honor
0.5%Mission's Possible — Hidden achievement
0.5%Tier One Combat Medic — 500 teammates revived
0.5%Body-bagged V — 5000 total deaths

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

Freecurrent · sampled 2026-07-26 08:39 UTC
Freelowest since tracking began2026-07-11

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

May 15, 2025
Thunder Tier One: Refund Process Guide

Hello, Operators. We sincerely apologize for the inconvenience caused by the refund process not proceeding smoothly. Since our previous announcement, we’ve followed up with Steam to investigate the is

May 14, 2025
Thunder Tier One Refund Issue – Apology and Update

Hello, Operators. We sincerely apologize to all players who have experienced inconvenience due to the ongoing refund issues. Since the previous notice, we’ve continued to receive reports that refunds

May 13, 2025
Notice on Thunder Tier One Refund Issue (Resolved)

Hello Operators, We’d like to inform you that the refund issue has now been resolved. You can now request a refund through Steam Support regardless of your playtime. All refund requests will be proces

May 13, 2025
Thunder Tier One – Refund Processing Update

Hello, Operators. We’ve confirmed that many players are currently experiencing issues when attempting to request a refund for Thunder Tier One through Steam Support. We are working closely with Steam

May 12, 2025
Thunder Tier One Free Access and Refund Notice

Hello, Operators! As previously announced in " Thunder Tier One: Free Access and Compensation Details ," Thunder Tier One has officially been made free today. Following the transition, the sale of Thu

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-20.

GenresAction, Simulation, Free To Play
Player tagsFree to Play · Online Co-Op · Top-Down Shooter · Tactical · Shooter · Realistic · Top-Down · Military · Multiplayer · Co-op · Singleplayer · Combat (SteamSpy community voting)
FeaturesSingle-player · Multi-player · PvP · Online PvP · Co-op · Online Co-op · Steam Achievements · Steam Workshop
LanguagesEnglish * , Russian, German, Simplified Chinese, Korean, Traditional Chinese *
Achievements36
Estimated owners1,000,000 – 2,000,000 (SteamSpy)
Official sitehttp://www.thundertierone.com/
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS *: Windows 7 64-bit Processor: Intel Core i5 3.3 GHz Memory: 8 GB RAM Graphics: NVIDIA GeForce GTX 950 DirectX: Version 11 Storage: 20 GB available space