CityGuardians vs Gem Forge
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
CityGuardians
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Let's get rid of the city's threatening monsters with the guardian and annihilate the 10 latent bosses! --- Game system --- *Clear condition -- To annihilate 10 bosses *Game over conditions -- All the guardians are annihilated -- Continue as long as you can escape -- Assets are negative -- Population will be 0 --- Main commands --- [Study] *Town Investment: Increase population increasing every turn -- As the population increases, revenue increases every turn *Recruit Investment: The number of selectable guardians increases *Investigation investment: the probability of discovery of enemy boss increases *Training investment: Increase in parameter rise during training [Training] *Strength strengthening: HP increase *Strengthen attack: Increase damage to enemy *Reinforcement: Reduce damage from enemies *Strengthened quickness: It is easier to avoid attacks from enemies [Rest] *You can rest the guardians -- At the same time as HP recovery, guardians are a little pleased [Recruit] *Make the new guardian a friend -- The higher the recruit level, the more choices -- Be careful when hiring a large number because the balance will be negative [Guardians Status] *You can check the guardian's parameters *Bonus -- The motivation of the guardian rises by giving a bonus *Special ability -- Automatic recovery: HP recovers a small amount on attack -- Critical: The amount of damage given to the enemy increases with probability -- guts: when the HP becomes 0, it stays to 1 with probability -- Experience bonus: Experience value can be obtained more than usual -- [Attack, Defense, Rapidity] Bonus: Higher rise than usual at level up [Search] *Search -- Find enemies currently discovered and a few enemies *Search carefully -- Find the enemies currently discovered and a certain number of enemies *Search thoroughly -- Find enemies currently discovered and enormous enemies -- It is better not to choose when there is not enough room for the guardian's combat strength [Combat] *AutoBattle -- On keeps fighting automatically -- In the state of On, you can not escape, so let's turn it off when it becomes dangerous *Fight -- Attack each other once *Escape -- If you are in danger, you can escape, but the population decreases according to the enemy's strength -- If you cut down the enemy's HP even a little, the population decline will be stopped accordingly --- Round Bonus --- *Save up -- Round bonus according to game contents at the end of the game (clear or game over) -- Display video advertisement on title screen and earn *Use -- Advertisement invalidation at the time of title transition: Advertisement deletion when moving to title -- Added allocation parameter: Parameter to be assigned to character when "From beginning" is added -- Initial [city, solicitation, training, exploration] Level: each level at the start increases -- Initial guardian addition: The number of guardians at the start increases -- As soon as the guardian increases too much, the balance will be negative, so be careful -- Initial level increase: the level of the guardian at the start rises -- Initial Population Addition: Population at the start increases -- Increase initial funds: increase funds at the start --- Hints and tips --- *Defeat the enemy if you are in trouble with money -- If you can afford the guardian's fighting power, choose 'thoroughly explore' *Let's raise the search level after the guardian has grown to some extent -- Increasing the search level increases the probability of boss appearance, so you can not win if you remain weak guardian *Keep the guardian motivated high -- If the motivation goes down too much it runs away *Cherish the guardian you hire for the first time -- Hiring afterwards will cost more *Strong new orb game bonus -- It is difficult to clear in the first play, Let's start in a strong state with the round bonus
Gem Forge
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Gem Forge: Diamond Enhance Tap, enhance, and forge your way from a humble pebble to the legendary Eternal Diamond! Gameplay - Tap to enhance your gem from Lv.1 to Lv.34 - Risk and reward: higher level = lower success rate but huge profit - Use Protection Charms to save your precious gem from shattering - Collect mystical Charms (Lucky, Crit, Phoenix, Combo + 6 more) โ each used once for a single boost - Watch ads for Restore, Boost +50%, or Free Enhance 35-Stage Gem Evolution Tree Stage 1 Ore: Stone โ Copper โ Silver โ Gold โ Platinum โ Mithril Stage 2 Common: Garnet โ Amethyst โ Topaz โ Aquamarine โ Opal โ Lapis Stage 3 Premium: Pearl โ Sapphire โ Ruby โ Emerald โ Diamond Stage 4 Ultra Rare: Pink Diamond โ Alexandrite โ Paraiba โ Padparadscha โ Painite โ Star of India Stage 5 Mythic: Fairy Dew โ Elf's Tear โ Dragon Heart โ Phoenix Core โ Tear of God โ Eternal Diamond Features - 35 unique gem designs with full Indian Mughal jewelry aesthetic - 4 tiers of Protection Charms (Basic / Mid / High / Ultra) - 10 one-time use Charms with unique effects - Codex with 35 collectible gems - Hall of Fame leaderboard - Combo system with bonus rewards - Beautiful Indian jeweler's workshop atmosphere - 8 languages supported Developer: ALIENZ Contact: support@alienz.ooo
Screenshots
Verdict
The clearest difference is update cadence: Gem Forge at daily against CityGuardians's every 7 months. CityGuardians's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CityGuardians ships an update every 7 months, Gem Forge daily. Both last shipped on October 25, 2026.
| Parameter | CityGuardians | Gem Forge |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Daily โ better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 โ better | 15.0 |
| Further details โ not scored | ||
| Size | 246 MB | 129 MB |
| Age rating | 9+ | 4+ |
| Developer | Junro Mori | RandomGG, Inc. |
In-app purchases
CityGuardians
No in-app purchases
Gem Forge
No in-app purchases
Questions
Is CityGuardians free?
Is Gem Forge free?
Do CityGuardians or Gem Forge have ads?
Which is updated more often, CityGuardians or Gem Forge?
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