Serious Sam: The First Encounter is Croteam’s old-school arcade FPS about staying mobile, reading enemy waves, switching weapons quickly, and using secrets and pickups to survive escalating fights. Current Steam and GOG listings cover the PC Classic version; this guide does not assume HD, VR, Fusion, Classics: Revolution, The Second Encounter, or later-series mechanics.
Content warning: Serious Sam: The First Encounter includes mature combat content with violence, blood and gore, and some mature language. This guide keeps combat descriptions non-graphic and focused on player decisions.
This is a beginner fundamentals guide. It is not a full walkthrough, all-secrets checklist, Serious-difficulty route, multiplayer setup guide, level-editor guide, or Classic-versus-HD comparison.
Essential Tips
1. Keep Moving Until the Arena Is Quiet
Standing still is how waves surround you.
Many fights are built around open spaces, enemy waves, and pickups placed near pressure points. Enter a large room expecting movement, not cover shooting. Strafe, backpedal with awareness, and use the full arena before the crowd compresses your escape lanes.
2. Clear Fast Threats Before Big Targets
The biggest enemy is not always the first problem.
Fast enemies that rush your position can break your movement rhythm and force mistakes. Thin those out before committing to a slow duel with a durable enemy. If a heavy target is firing while smaller enemies close in, keep moving and remove the enemies that can trap you first.
3. Swap Weapons by Job
Serious Sam rewards weapon roles more than favorites.
Use pistols for safe weak-enemy cleanup when ammo matters, shotguns for close pressure, the Tommy Gun or minigun for fast sustained fire, rockets for durable enemies or clustered pressure, grenades for controlled angles, the laser for steady damage, and the cannon when a late wave needs piercing power.
4. Treat Pickups Like Decisions
Health, armor, ammo, and backpacks are often placed for a reason.
Before grabbing a tempting pickup in the middle of an arena, check your exits and current weapon. Some pickups refill you before a fight; others can pull you into a trap or spawn new pressure. Take resources deliberately instead of sprinting through every item.
5. Use NETRICSA When the Game Offers It
The in-game analyzer is part of the learning curve.
When a new enemy, weapon, or area appears, NETRICSA can give useful context. Read those entries on a first playthrough, especially when a room feels unclear or a new enemy type changes the fight.
6. Search for Secrets, But Do It Safely
Secrets can be weapons, ammo, health, armor, traps, or routes.
The First Encounter has many secrets, including early resources that can make later fights easier. Look behind odd walls, side paths, rooftops, water features, bounce pads, and suspicious pickups, but do not chase a secret while an arena is still active.
7. Leave Yourself a Loop
A good fight has a route through it.
Before you fire the first rocket or grab the central backpack, identify a loop around the room. A clean route lets you reload shotguns, spin up automatic fire, line up rockets, and avoid backing into a wall.
8. Save Heavy Ammo for Heavy Moments
The strongest tools are best when the wave shape calls for them.
Rockets, laser cells, minigun ammo, and cannonballs can solve dangerous waves, but spending them on every weak enemy leaves you underpowered when a room escalates. Use low-cost weapons when the fight is controlled, then switch up as soon as the pressure changes.
9. Start on a Difficulty That Lets You Learn
Beginner guide does not mean beginner game.
The game is commonly tagged and discussed as difficult, and the GameFAQs walkthrough used Normal as its route baseline. If you are new to old-school arena shooters, start lower, learn enemy sounds and weapon roles, then raise the difficulty once movement and target priority feel stable.
10. Keep Co-op Separate From Solo Habits
More players can mean different pressure.
Co-op can cover the campaign with up to 16 online players, and local split-screen can support up to four players, but the guide’s advice is written for broad fundamentals. In co-op, spread out, avoid blocking each other’s routes, share pickups intentionally, and confirm current server/version behavior before planning a long run.
Movement and Waves
- Enter arenas with room behind you - Do not run straight to the center unless you know what the room triggers.
- Circle wide, then tighten only when safe - Wide loops keep enemies grouped in front of you and give rockets or bullets more space to work.
- Backpedal with a destination - Retreat toward known space, not into unopened doors, corners, or item traps.
- Listen and turn quickly - Enemy spawns can come from behind or from elevated positions, so check your back when the fight sounds wrong.
- Break the wave into layers - Clear rushers, then ranged pressure, then durable enemies, adjusting when the next wave appears.
- Use break rooms to reset - When a smaller room or quiet stretch appears, refill, read NETRICSA, and choose a ready weapon before opening the next fight.
Weapon Roles
| Weapon Type | Beginner Use | Watch Out For |
|---|---|---|
| Knife | Emergency close range or very weak enemies | Do not force melee during active waves |
| Pistols | Infinite-ammo cleanup and distant weak targets | Low output makes them poor against large waves |
| Pump shotgun | Early close and medium-close control | Spread and reload rhythm can punish missed shots |
| Double-barrel shotgun | Close durable enemies and sudden rushers | Slow follow-up leaves you exposed |
| Tommy Gun / Minigun | Fast enemies, swarm control, and sustained pressure | Ammo can disappear quickly if you spray without priority |
| Rocket launcher | Medium-range durable targets and clustered enemies | Self-damage and close-range shots are dangerous |
| Grenade launcher | Angled or arcing pressure | Needs spacing and control to avoid wasted shots |
| Laser gun | Reliable sustained damage against mixed pressure | Cells are a resource; do not spend them blindly |
| SBC Cannon | Late heavy waves and lined-up groups | Cannonballs are valuable and should solve real danger |
Secrets and Resources
| Resource | How to Think About It |
|---|---|
| Health | Take it after stabilizing unless you need it to survive the current wave |
| Armor | Grab before exposed fights, but expect some armor pickups to sit near danger |
| Ammo boxes and backpacks | Refill before big rooms, then switch to the weapon the wave demands |
| Power-ups | Use the advantage immediately instead of wandering with it |
| Secret weapons | Early secrets can change the next few fights, but only if reached safely |
| Secret traps | A suspicious reward can also start pressure, so face the room before collecting |
| Secret levels | Treat secret exits as separate routing goals |
Difficulty and Modes
Campaign
Start here. The campaign teaches the game’s core loop: explore, read NETRICSA, find weapons and resources, survive waves, search for secrets, and move to the next level.
Tourist, Easy, Normal, and Higher Difficulties
Use the lower settings to learn enemy behavior and arena movement. Normal is a reasonable baseline after you understand the weapons. Harder settings should wait until you can handle waves without panic-switching or backing into corners.
Co-op
Co-op can make the campaign more chaotic because players need space, resource discipline, and version compatibility. Keep lines of movement clear, call out pickups, and avoid all players collapsing into one corner.
Versus
Deathmatch and Scorematch are separate from campaign survival. Learn weapons and movement in campaign first, then treat versus as its own mode with different priorities.
Common Mistakes to Avoid
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Do not stand still in an active arena - Movement is your first defense against waves.
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Do not run backward into unknown space - Retreat toward places you have already cleared.
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Do not chase every pickup immediately - Some resources sit in the middle of pressure or trigger new danger.
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Do not use one favorite weapon for every enemy - Switch when the enemy group changes.
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Do not waste heavy ammo on easy cleanup - Save rockets, laser cells, minigun ammo, and cannonballs for fights that need them.
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Do not ignore enemies behind or above you - Waves can attack from more than the doorway in front of you.
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Do not search secrets during a live wave - Clear the room first, then explore.
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Do not treat HD, VR, Revolution, or sequel mechanics as Classic rules - This guide is scoped to Classic The First Encounter fundamentals.
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Do not start on a difficulty that prevents learning - Lower the setting until movement, weapon roles, and target priority become consistent.
Summary
| Category | Top Tip |
|---|---|
| Movement | Keep a wide route through every arena |
| Waves | Clear fast pressure before durable targets |
| Weapons | Switch by role instead of comfort |
| Resources | Grab pickups with an exit plan |
| Secrets | Explore after fights, not during them |
| Difficulty | Learn lower, then raise the challenge |
| Scope | Keep Classic advice separate from HD/VR/Revolution |
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8 checked for this guideEvery factual claim in this guide was checked against at least two independent sources before publication. These are the references used for Serious Sam: The First Encounter.
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