Complete Guide to Lands of Jail (LOJ)
Prison management, hero formations, resource strategy, event timing, and everything you need to run the Isle of the Banished like a proper Warden.
01 What Is Lands of Jail?
Lands of Jail is a mobile strategy game where you play as a Warden dispatched to the Isle of the Banished — an island where criminals are exiled far from civilisation.
Your job? Turn chaos into order.
It blends:
- Prison management simulation (build cells, factories, facilities)
- 4X strategy warfare (alliances, territory, PvP battles)
- Hero collection and formation tactics
- Idle progression and resource management
- Competitive events and alliance wars
Think of it as Frozen City meets Whiteout Survival, wrapped in a prison theme. You manage prisoners’ daily lives, track down fugitives, build a toy factory for profit, train troops, and battle other wardens for dominance.
Available free on iOS and Android. Rated 4.5+ stars with over 100K reviews.
02 Beginner Mistakes That Will Ruin You
Most new wardens make the same mistakes in the first 48 hours. Avoid these and you’ll be miles ahead:
Don’t Spend Diamonds on Speedups
The game showers you with diamonds early. It’s tempting to burn them all rushing construction.
Don’t.
You get a 3-day shield at the start. That’s enough time to reach roughly Level 11 in complete safety. No one can attack you. Let timers run naturally and save those diamonds for events where they actually multiply your rewards.
Don’t Level All Heroes at Once
You’ll unlock a bunch of heroes quickly. The instinct is to spread XP evenly across all of them.
Bad idea. Focus on your five strongest heroes. A team of five maxed-out heroes will always beat ten half-levelled ones.
Don’t Ignore Prisoner Happiness
Riots aren’t just annoying — they kill your guards, empty your prison, and stop your income cold. More on this in Section 05.
03 Your Prison — Building Priorities
Your prison has two layers: interior (rooms and furniture) and exterior (buildings and barracks). Both need upgrading, and both compete for your builder’s time.
The Warden’s Office
This is your Town Hall equivalent. Everything unlocks from here. Upgrading it usually completes chapter objectives and gates every other building’s max level.
Always prioritise the Warden’s Office. When it says “requirements not met,” it means other buildings need to catch up first.
Key Buildings
The Second Builder
You start with one builder. A second can be rented for 2,000 diamonds for 2 days — but that’s a trap.
Buy the permanent second builder. It lets you upgrade interior and exterior simultaneously. In the long run it saves hundreds of thousands of diamonds. This is the single best early investment in the game.
04 Resource Management
LOJ has several key resources. Managing them well is the difference between smooth growth and grinding to a halt.
Diamonds
Premium currency. Sources: events, hero stories, chapter completions, daily tasks, development tasks.
Use them for: permanent second builder, event pushes, crucial speedups (only when it completes something, never to shave a few hours off).
Never use diamonds to speed up something you could just sleep through.
In-Game Cash
Earned from vending machines, toy factories, and capture missions. Used for interior upgrades. The premium vending machine placement is worth buying early — it provides a huge cash boost for room development.
Resources (Food, Iron, etc.)
Standard construction and training materials. Donate excess to your alliance for research points (which you then spend in the alliance store for growth items).
Speedups
Hoard them. Only use during matching Pioneer Race themes or Prime Time events so you double-dip on rewards. Never use a 12-hour speedup on a random Tuesday when no event is running.
05 Prisoner Happiness & Riots
This is where LOJ is unique. You’re not just building an army — you’re running a prison. And prisoners have needs.
Three pillars of prisoner happiness:
- Food — upgrade the Cafeteria
- Sanitation — upgrade the Shower Room
- Clean clothes — upgrade the Laundry
If happiness drops too low, riots break out. Prisoners turn violent, guards get killed, your prison empties, and your income vanishes.
Preventing Riots
- Keep Cafeteria, Shower Room, and Laundry levels matching your prisoner level
- Upgrade guard levels to match prisoner levels
- Don’t crank work intensity in the factory to maximum — overworked prisoners riot faster
- Check the happiness meter regularly
Factory Work Intensity
The toy factory lets you set how hard prisoners work. Higher intensity = more cash, but happiness drains faster. Find the sweet spot — usually medium intensity with well-upgraded facilities handles it fine.
If a riot does happen, you’ll need to call in troops to suppress it. This costs time and resources. Prevention is always cheaper than the cure.
06 Troops & Military
LOJ has three troop types, each unlocked at different barracks levels:
Each troop type has multiple tiers. Higher barracks levels unlock better versions — the ace tier unlocks at barracks level 30.
Training Rules
- Always be training. Never let your barracks sit idle
- Prioritise the highest-tier troops you’ve unlocked
- More advanced troops = better power, better battle outcomes
- Use training speed buffs from felons when available
07 Heroes — The Core of Everything
Heroes lead your troops in battle, provide buffs, and are the biggest factor in whether you win or lose fights.
Hero Upgrade Methods
- Levelling — costs XP. Simple and effective
- Starring up — requires hero shards. Huge stat boosts at each star
- Tiering up — unlocks new skills and gives massive stat increases
The Five-Hero Rule
You can deploy five heroes in your main formation. Focus ALL your resources on these five.
Do not spread resources across ten heroes. Use the Level Reset feature to pull XP out of heroes you’ve outgrown and funnel it into your main five.
If you’ve accidentally levelled more than five, go to Level Reset, bring extras back to zero, and reinvest that XP into your core squad.
Getting Legendary Heroes
- Complete the “Rescue Mia” questline
- Collect hero shards from events and arrest rewards
- Be patient — the gacha is stingy with full hero drops, you’ll mostly accumulate shards over time
08 The Arrest System & Fugitives
Arrests are LOJ’s PvE progression. You chase down fugitives in staged encounters that get progressively harder.
Why Arrests Matter
- Huge rewards per stage (diamonds, resources, hero shards)
- Captured felons provide powerful buffs for your prison
- Consistent daily progression that compounds over time
How to Progress
Try to push your arrest level every single day. Even one stage per day adds up massively over weeks. If you’re stuck:
- Re-examine your hero formation — swap heroes, change positions
- Level up your main five heroes
- Star up heroes with available shards
- Come back tomorrow stronger
Felons & Buffs
When you capture a felon, let them roam free in your prison. Free-roaming felons provide buff bonuses.
Key rules:
- You can swap your active free felon every 12 hours (up to 3 stored chances)
- Choose the buff you need right now — training speed or attack buff are the best two
- Match the felon’s buff to your current priority (building? training speed. War coming? attack buff)
09 Alliances — Join One Immediately
LOJ is not a solo game. Your alliance determines your event rewards, your protection, and your growth speed.
Day One
Use the quick-join button the second it’s available. Any alliance is better than no alliance. You can switch later once you know the landscape.
Alliance Benefits
- Construction help — alliance members speed up your builds
- Alliance research — donate resources to unlock global buffs
- Alliance store — spend donation points on growth items
- Monster hunts — rally as a team for bonus rewards
- Crystal Clash & events — alliance-wide competition for prizes
Being a Good Member
- Donate resources at every opportunity
- Help alliance members with construction speedups
- Participate in events — even partial participation earns you rewards
- Communicate in alliance chat (there’s a built-in translator)
10 Events — Where the Real Rewards Are
Events are LOJ’s main progression accelerator. They run on weekly cycles, and smart event play separates average wardens from powerful ones.
Pioneer Race (7 Days)
Six themes daily. Complete each theme up to the speedup reward tier, then stop. Don’t burn all your resources on day one — pace it across the full week.
Key strategy: Match your speedup usage to the Pioneer Race theme that day. If the theme is “technology acceleration,” use your tech speedups then — not randomly.
Strongest Alliance (5 Days)
Pick daily tasks that align with what you’re already doing. Use the refresh button if tasks don’t suit you. Don’t force low-point tasks — wait for high-point ones you can complete easily.
Crystal Clash
Alliance vs alliance warfare. Put your strongest members in Legion 1 — its result determines the overall alliance prize. Legion 2 focuses on personal points.
Prime Time
Train/promote troops and use special items for points. Save items like precision gear, hero gear, and tomes specifically for Prime Time. If you’re free-to-play, this is where hoarding pays off.
Turmoil Surge
Defend your prison from marauder waves. Protect the turrets. High-level members place bases near the trial cage and lead rallies; lower-level members join rallies for shared rewards.
Trial Cage
Use stored items for points. Same philosophy: save items from other rewards, deploy them during this event for maximum value.
11 The Tech Tree
The research/tech tree provides permanent buffs. Here’s how to approach it:
- Upgrade each node once and push as far as you can toward the cash bonuses
- Cash buffs let you upgrade your factory, playground, kitchen, and felons faster
- Don’t obsess over maxing individual nodes early — breadth beats depth at the start
- Only specialise once you’ve reached the deeper tiers
Core Upgrades
Each branch requires certain nodes to hit Level 10 before you can unlock the next core upgrade tier. Focus on getting one key stat to Level 10 (e.g. Shooter HP) to unlock the next tier, then move forward.
12 Daily Routine for Maximum Growth
Here’s what a solid daily session looks like:
- Collect vending machine and factory income
- Check and claim development tasks (main + side)
- Start longest upgrade on your builders
- Train troops — always keep barracks working
- Push one arrest stage
- Check current events — do matching tasks
- Donate resources to alliance
- Help alliance members with construction
- Swap felon buff if needed
- Claim any completed chapter rewards
Takes about 15–20 minutes. Do this consistently and you’ll outpace 90% of casual players within two weeks.
13 F2P vs Spending — Honest Breakdown
LOJ is free-to-play with optional purchases. Here’s the honest truth:
- 100% F2P is viable. You can progress steadily, compete in events, and enjoy the game without spending a penny
- Light spending helps. The login reward package or equivalent cheap bundles are the best value — they give consistent daily bonuses
- Whales will always be ahead. Top leaderboards are dominated by spenders. Accept this and focus on your own progression
The best F2P strategy is patience + event efficiency. Save everything, deploy during events, compound your rewards.
If you’re going to spend anything at all, the permanent second builder and the login reward package give the most bang for your buck.
14 Combat Formations & Strategy
When you hit battles — whether in arrests, PvP, or alliance wars — formation matters enormously.
Formation Basics
- Shieldbearers in front — they absorb damage
- Shooters in back — they deal sustained DPS
- Bombers for AoE — strong against clustered enemies
Hero Positioning
- Tank heroes paired with shieldbearers up front
- DPS heroes behind with shooters
- Support/buff heroes where their aura covers the most units
If a fight seems impossible, try rearranging before investing more resources. A formation swap costs nothing but can change the outcome completely.
15 Shield Management
Once your initial 3-day shield expires, your prison is open to attack.
Shield Rules
- Attacking another player breaks your shield immediately
- Shields cost diamonds — so don’t waste attacks while shielded
- If you’re going offline for a long time, consider popping a shield
- Join rallies through your alliance for coordinated attacks instead of solo raiding
16 Warden Commands
As Warden, you can issue commands to your prison population. These provide temporary stat boosts — basically free buffs on a cooldown.
Use commands regularly. They cost nothing and provide small but consistent advantages. Stack them with felon buffs for maximum effect before big battles or event pushes.
17 Auto-Overclock & Automation
The game offers an auto-overclock feature for certain upgrades and processes. Use it.
Manual overclocking without paying attention can actually lower your stats if you make mistakes. The auto option prevents this and handles min-maxing for you.
Find it in the settings — it’s a checkbox that’s easy to miss but makes a real difference.
18 Common Questions
When Should I Use Speedups?
Only during events that reward you for using them. Pioneer Race acceleration themes, Prime Time, or when a speedup completes a build (never to shave 2 hours off an 8-hour timer).
What’s the Best Alliance Size?
Activity matters more than size. 20 active players beat 50 inactive ones every time.
Should I Buy the Premium Vending Machine?
Yes. It’s one of the best early investments for interior development speed.
How Do I Get More Hero Shards?
Events, arrest stage rewards, alliance event prizes, and specific quests like Rescue Mia. It’s a slow accumulation — don’t expect to unlock legendaries in week one.
Is LOJ Pay-to-Win?
At the very top? Yes, like most mobile strategy games. For 95% of players? No. Smart play and consistency will keep you competitive in your bracket.
19 Advanced Tips
- Time your longest build to start right before you sleep — maximum passive progress
- Always check Pioneer Race theme before using any speedups or items
- Keep three felon swap charges stored for flexibility
- Use the quick-use button for speedups — it selects the minimum combination needed
- Place your base near alliance territory centre for better rally coverage
- Don’t ignore the dungeon — captured felons from saga content provide extra buffs
- Reset underused heroes regularly and funnel XP into your main five
20 Final Verdict
Lands of Jail is one of the best 4X strategy hybrids on mobile right now. The prison theme is more than a skin — the riot mechanics, prisoner management, and factory systems add genuine depth to the standard SLG formula.
The learning curve is satisfying. The events keep things fresh. The alliance system creates real social dynamics.
And honestly? For a free-to-play game, it’s remarkably fair to patient players.
Build smart. Save diamonds. Trust the grind. And for the love of everything — keep your prisoners fed.