Metal Slug Infinity Guide, Slugs & Soldiers, Game Modes & War Books

Metal Slug Infinity

Metal Slug Infinity

Metal Slug Infinity is an idle role-playing game developed by ekkorr. The game got a global release recently 15th April and is both available on Android and iOS. You can download the Android, iOS Apk version from PlayStore and App Store. The is not the same as other metal slug games which we have played before.

In this post, we will show you some basic guide on Metal Slug infinity, how to unlock slugs and soldiers, upgrade slugs and soldiers, war book guide and some tips.

Metal Slug Infinity: Guide

At the beginning of the game, you will have to follow some tutorial to learn the basic of the game, but that doesn’t cover up all the parts. In Metal Slug Infinity, you can assign 6 soldiers to complete stages for you. The aim of the game is to recruit high-level soldiers and to reach the maximum stage. In order to reach the maximum stage, you have to unlock shops to earn golds and level up slugs. You can unlock them by tapping the cash icon at the left-bottom side of the game screen. To level up your slugs, you just need to tap on your soldier’s icon.

You also need to assign 6 different slugs for each soldier you assign to complete the stage.  We will show you in details how to unlock soldiers, slugs and how to recruit them. The game also has a different mode for the players to enjoy such as PVP, Dungeon, and Slug Camp. There are three different types of soldiers you can unlock in this game which are:

  • Physical Type
  • Flame Type
  • Lighting Type

To increase the star of your soldiers, you need to collect the same soldier’s type card and once you reach the threshold you can level up the star. Increasing the star level will also increase the soldier base stats and give him some possession bonus. You can check possession bonus, skills, and stats on any soldier by simply tapping on the three lines icon at the top right corner of the game screen and selecting the 4th icon from the drop-down menu which will be index. Once you open up your index tap on any soldier to get information about them.

Earn More Gold And Wrap Stages

While completing each stage, your soldiers will come across some refugee whom you need to rescue by tapping on them. Rescuing refugee at an early stage provide you with a lot of bonus golds. Your soldiers will also use slugs during the stage and when the slug is fully damaged and going to explode, just tap on them to self destruct on enemies.

Besides the cash icon, you can see one helmet icon which can be used to wrap stages. Wrap stages mean you can use your slug to skip certain stages. Once you tap on the icon below you can see the wrap energy and the slugs will show you how many stages they can wrap and how much energy will be required. You can also use commander skills during the main stages to deal massive damage to enemies.

Increase Mastery Levels

You can increase mastery levels by collecting medals. At the beginning of the game, once you use to return at stage 30 you will earn some medals. You can check how much medals you have earned till now by simply tapping on the icon below your portrait at the top left corner of the screen and you can also use return if its difficult to advance to the next stages. Increase your commander level to unlock different perks in the game such as unlock high-level slugs and soldiers. You can increase your commander level by completing 100 stages extra from the previous highest stage you have achieved.

Unlock Soldiers, Slugs, And Assign Them To Complete Stage

Soldiers can be unlocked by completing quests, unlocking random soldiers tickets and by completing the dungeon. After you, complete missions, collect all the rewards and unlock them by tapping on the three-line icon at the top right corner of the game screen. Select the 3rd option from the drop down menu and open your item warehouse. There you will find all the rewards you have achieved by completing different quests. You will have PVP ticket to take part in PVP battles, Slug camp ticket to take part in Slug camp and get chip as a reward to level up slugs, Dungeon Key to participate in the dungeon to earn soldiers card, Boot camp ticket to participate in boot camp and earn war books.

You can unlock Slug by Excavation from the Excavating Site. To visit the excavation site, tap on the tank icon at the right bottom corner of the screen and go to the excavation site. There are three types of excavation beginner, advanced and expert. Beginners provide your 1-3 Star Slug, Advance excavation provide you 2-4 Star slug and expert provide your 3-5 Star slug. You can also unlock slugs from visiting your item warehouse and opening random slug tickets.

To assign slugs and soldiers on the battlefield, tap on the face icon at the left side of the tank icon and go to deploy. There at top of the screen, you can see 12 slots. The top 6 slots are for soldiers and the bottom 6 slots are for slugs. Note you can only assign slugs that are of the same type as soldiers. As we have mentioned above there are three different types of soldiers, so we have 3 different types of slugs as well.

Promote Soldiers And Slugs

You can promote your soldiers as once you have collected enough cards and reached the threshold. Tap on the face icon and from the list select the soldiers which you want to promote. Tap on the promote icon to upgrade the soldiers. Slugs can be promoted by collecting the same type of slugs. You need 3 same types of slugs to promote them. Tap on the tank icon and select the slugs you want to promote. Tap on the promote icon and you can see your slug will be combined with two same types of slugs to give you a high tier slug. You won’t always get the same slug by combining, but you will get one-star high tier slug.

Metal Slug Infinity: Different Modes Guide
PVP Mode

PVP mode can be played by tapping on two cross bullet icon at the top of the game screen. In this mode, you battle other players online using your soldiers and slug, so we recommend you to first upgrade your soldiers and slug before trying this mode out. For 1 PVP battle, one ticket will be consumed. You can obtain PVP tickets from completing quests. After completing the missions, go to item warehouse to use the tickets.

Dungeon Mode

 

In this mode, you will earn cards for different soldiers. We recommend to you to first complete dungeon and fully utilize the dungeon tickets before clearing out the main stages. As you can easily upgrade your soldiers at the early game and reaching a higher stage won’t be difficult. You have to achieve three stars on each soldier to access the next one. To fully complete 3 stars you need 3 dungeon tickets. You can obtain them by completing missions and claiming the rewards. You can play dungeon mode by tapping on soldier face icon at the bottom of the screen and select dungeon.

Slug Camp Mode

In Slug camp, you will get chips to upgrade your slug. We recommend you to play this mode, once you have acquired some high tier slug to level up them. Upgrading your slug will enhance its stat and power which will help you to complete the main stages easily. Slug Camp tickets will be required to play this mode and you can obtain them by completing missions and claiming the rewards. You can play slug camp mode by tapping on the tank icon at the bottom of the screen and select slug camp. You need to clear each stage once to advance to the next one. As you keep clearing stages, your reward also will keep getting higher.

Metal Slug Infinity: War Books Guide

Boot Camp Mode

You can play this mode by tapping on the scroll icon option beside the tank icon at the bottom of the page and select boot camp. You can equip these war books to increase the stats of your soldiers and slug. At the top of the screen, you can see the total cost, which can be increased by using a diamond. Each war book cost 5 so at starting you can equip a total of 12 war books. You can also buy war books from the store by using the green points ( we don’t know what to call that yet ). By tapping on the magnifying glass icon beside your war book portrait, you can level up your war books to increase its effects.

There is a total of 10 education and training courses available for your troops which are:

1. Regular Army’s Integrate Tactics Education

There is a total of 6 war books and 3 bonus set. You can unlock these effect by acquiring 2/4/6 war books.

Set Bonus 1 (2/6)- Soldier Critical Damage Increases by 100%

Quest Unlock Cost Decreases by 180%

Set Bonus 2 (4/6)- Quest Gold Reward Increases 400%

Quest Level Up Cost Decreases by 30%

Set Bonus 3 (6/6)- Quest Time Decreases 18%

Medal Rewards Upon Return Increases 90%


2. CQC Expert Course

There is a total of 3 war books and 1 bonus set. You can unlock these effect by acquiring 3 war books.

Set Bonus 1 (3/3)- Regular Army Attack Increases 50%

Soldier Defense Increases 160%


3. Rebel Commander Candidate Training

There is a total of 6 war books and 3 bonus set. You can unlock these effect by acquiring 2/4/6 war books.

Set Bonus 1 (2/6)- Boot Camp Material Reward Increases by 10

Quest Level Up  Cost Decreases by 12%

Set Bonus 2 (4/6)-  Quest Unlock Cost Decreases 360%

All Unit Attack Increases 160%

Set Bonus 3 (6/6)– Quest Gold Reward Increased 600%

Medal Rewards Upon Return Increases 90%


4. Rebels Basic Culture Education

There is a total of 6 war books and 3 bonus set. You can unlock these effect by acquiring 2/4/6 war books.

Set Bonus 1 (3/3)- Quest Time Decreases 9%

Quest Unlock Cost Decreases 270%


5. Mystery Of Arabia

There is a total of 6 war books and 3 bonus set. You can unlock these effect by acquiring 2/4/6 war books.

Set Bonus 1 (3/3)- Battle Speed Increase 7%

Quest Level Up Cost Decreases 20%


6. Guide For Earth Invaders

There is a total of 6 war books and 3 bonus set. You can unlock these effect by acquiring 2/4/6 war books.

Set Bonus 1 (2/6)- SoldierLevel Up Cost Increases 10%

Quest Gold Reward Increases 200%

Set Bonus 2 (4/6)- Quest Time Decreases 12%

Quest Level Up Cost Decreases by 30%

Set Bonus 3 (6/6)- Medal Rewards Upon Return Increases 90%

Quest Unlock Cost Decreases 540%


7. King Of Ground

There is a total of 6 war books and 3 bonus set. You can unlock these effect by acquiring 2/4/6 war books.

Set Bonus 1 (2/6)- Boot Camp Material Reward Increases by 10

Quest Unlock Cost Decreases by 180%

Set Bonus 2 (4/6)- Quest Time Decreases 12%

Quest Level Up Cost Decreases by 30%

Set Bonus 3 (6/6)- Medal Rewards Upon Return Increases 90%

Quest Unlock Cost Decreases by 540%


8. Power Armor

There is a total of 4 war books and 2 bonus set. You can unlock these effect by acquiring 2/4 war books.

Set Bonus 1 (2/4)- All Units Critical Damage Increases by 50%

Medal Rewards Upon Return Increases 30%

Set Bonus 2 (4/4)- Quest Gold Reward Increases 400%

Quest Level Up Cost Decreases by 30%


9. Tank Destroyer

There is a total of 6 war books and 3 bonus set. You can unlock these effect by acquiring 2/4/6 war books.

Set Bonus 1 (2/6)- Boot Camp Material Reward Increases by 10

Quest Level Up Cost Decreases by 12%

Set Bonus 2 (4/6)- Medal Rewards Upon Return Increases by 60%

Battle Speed Increases by 10

Set Bonus 3 (6/6)- Quest’s Gold Reward Increases by 600%

Quest Unlock Cost Decreases by 540%


10. Heavy Vehicle Driver’s License

There is a total of 4 war books and 2 bonus set. You can unlock these effect by acquiring 2/4 war books.

Set Bonus 1 (2/4)- All Units Critical Damage Increases by 4%

Medal Rewards Upon Return Increases 30%

Set Bonus 2 (4/4)- Quest Time Decreases by 12%

Quest Unlock Cost Decreases by 360%

Note- Quests, in this case, may be referred to shop that we have mentioned above

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