Sentinel 3: Homeworld

About

"Sentinel 3: Homeworld" is a sci-fi tower defense game with an epic campaign across 20 levels and over 20 unlockable weapons. A powerful commander unit can level up and gain new abilities, and customization of weapon loadouts is encouraged. Endless modes, Steam achievements, and exclusive music by Specimen A are also included.

Genres & Tags

Play Modes

Single-Player Play through the game's story or campaign solo

75%

Audience ScoreBased on 152 reviews

gameplay8 positive mentions

graphics12 negative mentions

The game features persistent meta-progression with a variety of unlocks and upgrades, enhancing replayability.
It offers a unique mechanic where players earn interest on unspent money, adding a strategic risk/reward element.
Despite its flaws, many players find it enjoyable and recommend purchasing it on sale.

The game suffers from being a poorly executed port from mobile, with unresponsive controls and limited graphical options.
Many levels feel repetitive and lack variety in enemy types, leading to a monotonous gameplay experience.
There are significant bugs, including game resets and crashes, which detract from the overall experience.

graphics
36 mentions Positive Neutral Negative
28%
39%
33%
The graphics of the game are generally considered outdated, with many reviewers noting low-resolution visuals reminiscent of the 90s and a lack of detail by modern standards. While some players find the graphics adequate for gameplay, others criticize them as blurry and poorly ported from mobile versions, leading to clumsy interactions. Overall, the visuals do not detract significantly from the experience, but they may not appeal to those seeking modern graphical fidelity.
- “Great graphics, great sound, great gameplay, and great user interface.”
- “The graphics are just fine and look good on my 1440p monitor.”
- “It is mildly addictive, the graphics are fine and scale alright, the music is okay but can get very repetitive.”
- “The graphics are blurry, and some of the interactions are clumsy to do with a mouse.”
- “The graphics are decidedly low-res by modern standards, but adequate, and music is nothing to write home about.”
- “The controls haven't been properly reworked for PC, the slider where you select your mission is slightly bugged (clearly intended to be swiped with a finger and just badly ported over for mouse), and the graphics are poorly detailed when viewed on a normal sized computer monitor or TV.”
story
28 mentions Positive Neutral Negative
4%
86%
11%
The story in the game is generally considered unremarkable and simplistic, with many players noting a lack of depth and clarity. While some background story is present, it feels underdeveloped and not integral to the gameplay experience. Overall, the narrative aspect does not significantly enhance the enjoyment of the game, which is primarily focused on tower defense mechanics.
- “Addendum: the second time I loaded the game, there was some background story at the start.”
- “Everything about the game screams of there being a story of some sort, but if there is, the developers decided to keep it a secret.”
- “Really could use more options as to upgrades and such, a simple encyclopedia of the units, friend and foe, and some sense of story.”
- “The plot is usual.”
gameplay
20 mentions Positive Neutral Negative
40%
45%
15%
The gameplay features a unique mechanic where players earn interest on unspent money, introducing a risk/reward system that adds depth. However, the visual design can feel cluttered, particularly on PC, and the limited variety of maps and enemy waves leads to some repetitiveness. Overall, while it may not innovate significantly, the game offers solid mechanics, good re-playability, and enjoyable progression for tower defense enthusiasts.
- “A unique mechanic that sets it apart from other tower defense games is that you earn interest on money not spent; a simple yet effective risk/reward system.”
- “Great graphics, great sound, great gameplay, and great user interface.”
- “I wouldn't say it brings anything truly unique to the table, but gameplay is solid, re-playability good, and progression fun.”
- “Tldr: the faux 2.5D makes the game look visually cluttered and busy, getting in the way of gameplay.”
- “This may be fine for mobile gameplay, but on PC it doesn't work so well.”
- “There are only a small number of maps available, so the game repeats several of them with 'different' waves of enemies (which don't feel different at all due to the limited variety) and tries to extend gameplay by making you face absurdly high wave counts (50+ for most levels).”
music
16 mentions Positive Neutral Negative
25%
25%
50%
The music in the game is generally described as repetitive and unremarkable, with many players finding it adequate but not particularly memorable. While some reviewers noted that the soundtrack is acceptable for a game from 2010, others found it so monotonous that they opted to mute it during extended play sessions. Overall, the audio experience is seen as a mixed bag, with occasional praise for its quality but frequent criticism for its lack of variety.
- “Great music, challenging.”
- “Music is great also.”
- “The music is repetitive but okay.”
- “Repeat music (I think) after a while I just muted the game.”
- “The music is nothing to write home about.”
grinding
8 mentions Positive Neutral Negative
100%
Overall, players find the game to be somewhat grindy, particularly for those aiming for 100% achievements, which can require over 90 hours of grinding. While the user interface is praised for its ease of use, some feel that the game lacks challenge and could benefit from more grinding to balance the difficulty curve. Many recommend waiting for a sale before purchasing.
- “It is a must buy when it goes on sale, and if you are looking to do 100% achievement, from my understanding, you're looking at around 90+ hours of just grinding.”
- “I like the difficulty, though the curve can occasionally be steep and some grinding seems to be encouraged.”
- “The UI is so easy to use that the game itself seems too easy - instead, it needs some grinding.”
stability
4 mentions Positive Neutral Negative
50%
50%
The game is noted for its stability, with users reporting a bug-free experience after approximately 30 minutes of play. It is described as a direct port of the mobile version, which is a positive departure from the common issues seen in many mobile-to-PC conversions.
- “After about 30 minutes of play, it appears to be a bug-free, direct port of the mobile version.”
- “Too many mobile to PC ports are buggy right from the start.”
monetization
2 mentions Positive Neutral Negative
100%
The monetization model allows players to purchase additional scenarios via in-app purchases in the mobile version, while the PC version does not offer this option.
- “You can buy extra scenarios through in-app purchases in the app version, but not in the PC version.”
- “You can buy extra scenarios through in-app purchases in the app version, but not in the PC version.”