⚜ SteamCozy

Home / Games / Monster Line of Defense

Monster Line of Defense

Monster Line of Defense

"Monster Line of Defense" is a casual shooting game. Clicking the left mouse button allows the player to fire and shoot the monsters approaching from the front.

Released Sep 22, 2023 Developer No.25 Platforms Windows Sexual ContentMatureNSFWNudityTop-Down Shooter
View on Steam ↗ $1.99 (US · as of 2026-09-28)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-27.

93.2%positive190 reviews
Recommended · 0 found this helpful

“it's alright”

— a player, Steam review · 0 hrs played
Read more reviews ↗

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-27.

18achievements
53.9%median completion
42.7%rarest: Gravity Bullet.
98.4% of players 97.2% of players 94.3% of players 86.6% of players 84.9% of players 78.4% of players 72.0% of players 63.9% of players 63.2% of players 53.9% of players 51.8% of players 49.3% of players 46.5% of players 45.8% of players 44.7% of players 44.5% of players 43.3% of players 42.7% of players 98.4% 0% most earned rarest
Almost everyone has
98.4%Start the game. — First entry into the game.
97.2%Select the level. — First entry to the level selection page.
94.3%Hamster War. — Enter the first level.
Rarest badges of honor
42.7%Gravity Bullet. — Purchase additional gravity bullets at the shop.
43.3%Super Missile. — Purchase missiles from the shop.
44.5%Shotgun. — Purchase additional shotgun shells at the shop.

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-09-28. Steam prices vary by region — always confirm your local price on Steam.

$1.99current · sampled 2026-09-28 23:18 UTC
$1.99lowest since tracking began2026-09-28
US1.99 USD
UK1.69 GBP
Australia2.95 AUD
Canada2.59 CAD
Japan235 JPY
Brazil6.99 BRL
China11.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

Brazil≈$1.3 Japan China Canada US Australia UK≈$2.2

Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-28). Relative comparison only.

Latest official news

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

Nov 01, 2025
The game Working Daily is coming soon!

Hello players! We are thrilled to announce that *Game Name* will soon be available! This is a casual role-playing mini-game about delivering packages. In the DLC version, you can still find numerous c

Aug 12, 2024
The game "Doll Grabber" is about to launch!

Hello, players. We are very happy to announce that "Doll Grabber" will be coming soon! This is a casual puzzle game that simulates a claw machine. There are 30 cute dolls waiting for you to grab! Afte

Oct 07, 2023
Patch Description for October 7th

Improved compatibility with windows11

Sep 29, 2023
Updated instructions on September 29th

1.Repir role display qustion 2.optimize role operation experience 3.Boost game load speed

Sep 25, 2023
September 25th Update Notes

1.Fixed an issue with the display of English fonts in some message windows. 2.Added time acceleration and deceleration feature for turrets. Press the Q or E key to accelerate or decelerate (requires h

Games like Monster Line of Defense

From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

DATE A LIVE: Rio Reincarnation DATE A LIVE: Rio Reincarnation 95.6% · 767 reviews shares World War II, Nsfw, Hentai, Mature NEKOPARA Vol. 1 NEKOPARA Vol. 1 92.7% · 9,491 reviews shares Nsfw, Hentai, Mature, Dating Sim Go! Go! Nippon! ~My First Trip to Japan~ Go! Go! Nippon! ~My First Trip to Japan~ 85.4% · 1,983 reviews shares World War II, Hentai, Mature, Dating Sim Sakura Swim Club Sakura Swim Club 83.6% · 1,576 reviews shares Nsfw, Hentai, Mature, Dating Sim Winter Memories Winter Memories 95.6% · 542 reviews shares Nsfw, Hentai, Mature, Dating Sim NEKOPARA Vol. 0 NEKOPARA Vol. 0 91.9% · 6,181 reviews shares Hentai, Mature, Dating Sim, Romance My Cute Fuhrer My Cute Fuhrer 88.9% · 628 reviews shares World War II, Nsfw, Hentai, Mature

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-27.

GenresCasual
Player tagsSexual Content · Mature · NSFW · Nudity · Top-Down Shooter · Casual · Anime · Dating Sim · Top-Down · Hentai · 2D · Shooter (SteamSpy community voting)
FeaturesSingle-player · Family Sharing
LanguagesSimplified Chinese, English, Japanese, Traditional Chinese
Achievements18
Minimum system requirements (PC)

Minimum: OS *: Windows7/8/10 Processor: Intel Core i5 Memory: 4 GB RAM Graphics: NVIDIA Gef Storage: 400 MB available space Sound Card: DirectX 11 Sound Device