Single-player games like GIGANTIC ARMY
Below are 17 single-player Steam games similar to GIGANTIC ARMY, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like GIGANTIC ARMY page.
Ranked picks
- 1

ARMED SEVEN
Single-player alternative to GIGANTIC ARMY — playable solo, no multiplayer required. Shares Action and Indie with GIGANTIC ARMY.
The year is 1989. 12 years have passed since the Gogoh Army’s invasion of Earth. Exposure to alien technology during the war enabled Earth’s own technologies to take massive leaps forward. International conflict that was previously rife in the history of mankind fell to an all-time low, and the Earth Federation was established as a...
- 2

Hover Attack
Single-player alternative to GIGANTIC ARMY — playable solo, no multiplayer required. Shares Action and Indie with GIGANTIC ARMY.
Hover Attack, the definitive version of the robot action game that became a huge hit in 1984 and was ported to various consoles, is now available on STEAM with a port of the original game and an Ultimate Evolution version that dramatically evolves the gameplay with enhanced graphics and sound!
- 3

SATAZIUS
Single-player alternative to GIGANTIC ARMY — playable solo, no multiplayer required. Shares Action and Indie with GIGANTIC ARMY.
The year is 2051. Location: SATAZIUS, a long-abandoned planet. The cruiser Agano was on patrol when it was attacked and stricken by a confederacy of space pirates that had established a base on SATAZIUS. The pirates attacked the Agano intending to steal the assault ship ‘Trafalgar’ that was stowed aboard the Agano, but the Trafalgar made...
- 4

Havoc Runner
Single-player alternative to GIGANTIC ARMY — playable solo, no multiplayer required. Shares Action and Indie with GIGANTIC ARMY.
"Havoc Runner" is a futuristic action and 2D platform game that will take you to Titan's moon to face killers robots, missile launchers, and automated weapons in a hostile environment where you must find and destroy the Tupan computer, preventing a missile attack on the planets of the solar system.
- 5

JAGD LANZER
Single-player alternative to GIGANTIC ARMY — playable solo, no multiplayer required. Shares Action and Indie with GIGANTIC ARMY.
Destroy the legions of machinists! An easy to control mechanic 2D action game that attacks automatically when an enemy is in range. Customize your mecha to suit your needs. The key to success is to manage energy while standing around.
- 6

CrushBorgs
Single-player alternative to GIGANTIC ARMY — playable solo, no multiplayer required. Shares Action and Indie with GIGANTIC ARMY.
"Run and Gun" oldschool single-player platformer with NES aesthetics, including an authentic 8-bit chiptune.
- 7

Intrusion 2
Single-player alternative to GIGANTIC ARMY — playable solo, no multiplayer required. Shares Action and Indie with GIGANTIC ARMY.
"This is some of the most fun I've had with a game so far this year, and it will go down as one of the best side-scrolling shooters of all time." - 9/10, Destructoid
- 8

Supercharged Robot VULKAISER
Single-player alternative to GIGANTIC ARMY — playable solo, no multiplayer required. Shares Action and Indie with GIGANTIC ARMY.
70s giant robot anime-inspired side-scrolling shooting from the creators of SATAZIUS and GIGANTIC ARMY!
- 9

WARRIORS
Single-player alternative to GIGANTIC ARMY — playable solo, no multiplayer required. Shares Action with GIGANTIC ARMY.
Warriors is a cutting-edge multiplayer shooter that blends breathtaking realism with adrenaline-pumping action. Designed for players of all skill levels, it offers the flexibility to battle against real players or challenge advanced AI bots in single-player mode. The game boasts seven game modes.
- 10

METAL SLUG
Single-player alternative to GIGANTIC ARMY — playable solo, no multiplayer required. Shares Action with GIGANTIC ARMY.
“METAL SLUG ”, the very first title in SNK’s legendary 2D run & gun action shooting game series where all began, returns to the missions on the Steam gaming platform!
- 11

STEEL STRIDER
Single-player alternative to GIGANTIC ARMY — playable solo, no multiplayer required. Shares Action and Indie with GIGANTIC ARMY.
STEEL STRIDER is the follow up to the acclaimed GIGANTIC ARMY and pays homage to the great run and gun games such as Turrican and Super Contra, but adds mouse / dual analogue stick-operated weapons!
- 12

ZANGEKI WARP
Single-player alternative to GIGANTIC ARMY — playable solo, no multiplayer required. Shares Action and Indie with GIGANTIC ARMY.
Take control of the hyperdimensional fighter craft ‘ZanFighter’ and use its advanced warp functions to defeat an army of space beasts controlled by an evil scientist!
- 13

MECHBLAZE
Single-player alternative to GIGANTIC ARMY — playable solo, no multiplayer required. Shares Action and Indie with GIGANTIC ARMY.
An inferno roars over a destroyed secret military base. Then, from the flaming rubble...an invincible super robot is reborn! Mechs born of advanced science and modern weaponry battle in heavy weight Run 'n Gun mech shooter!!
- 14

Cybernated
Single-player alternative to GIGANTIC ARMY — playable solo, no multiplayer required. Shares Action and Indie with GIGANTIC ARMY.
Near future, state security special agent E-9 is sent on the most difficult operation of her career - to track down and eliminate the head of terrorist hackers, however, in the process it turns out that not everything is as simple as it seems... Hack&slash adventure game.
- 15

WITCH-BOT MEGLILO
Single-player alternative to GIGANTIC ARMY — playable solo, no multiplayer required. Shares Action and Indie with GIGANTIC ARMY.
Stop time and project yourself through space with “Time-stop warp” magic, pass through physical obstacles, dodge incoming bullets and shoot down your enemies! A satisfying shooter, filled with dark humor!
- 16

WOLFLAME
Single-player alternative to GIGANTIC ARMY — playable solo, no multiplayer required. Shares Action and Indie with GIGANTIC ARMY.
Brought to you by the makers of GIGANTIC ARMY, Supercharged Robot VULKAISER, and SATAZIUS, WOLFLAME is a return to the form of glorious 2D vertical vertical shooters like Raiden, Raptor, and Twin Cobra.
- 17

ROCKETRON
Single-player alternative to GIGANTIC ARMY — playable solo, no multiplayer required. Shares Action and Indie with GIGANTIC ARMY.
Fly through the sky! Rain down fire on the enemy forces from above! Enjoy solid combat and simple non-linear exploration in this high flying side-scrolling action shooter!