diff --git a/src/database/redis.rs b/src/database/redis.rs
index e63a37bc..aa221521 100644
--- a/src/database/redis.rs
+++ b/src/database/redis.rs
@@ -217,7 +217,7 @@ impl RedisPool {
         let mut cached_values = cached_values_raw
             .into_iter()
             .filter_map(|(key, val)| {
-                if Utc.timestamp(val.iat + ACTUAL_EXPIRY, 0) < current_time {
+                if Utc.timestamp_opt(val.iat + ACTUAL_EXPIRY, 0).unwrap() < current_time {
                     expired_values.insert(val.key.to_string(), val);
 
                     None
diff --git a/src/validate/fabric.rs b/src/validate/fabric.rs
index 5e22bad3..11b9e499 100644
--- a/src/validate/fabric.rs
+++ b/src/validate/fabric.rs
@@ -1,5 +1,4 @@
-use crate::validate::{SupportedGameVersions, ValidationError, ValidationResult};
-use chrono::{DateTime, NaiveDateTime, Utc};
+use crate::validate::{filter_out_packs, SupportedGameVersions, ValidationError, ValidationResult};
 use std::io::Cursor;
 use zip::ZipArchive;
 
@@ -7,7 +6,7 @@ pub struct FabricValidator;
 
 impl super::Validator for FabricValidator {
     fn get_file_extensions(&self) -> &[&str] {
-        &["jar", "zip"]
+        &["jar"]
     }
 
     fn get_supported_loaders(&self) -> &[&str] {
@@ -15,11 +14,7 @@ impl super::Validator for FabricValidator {
     }
 
     fn get_supported_game_versions(&self) -> SupportedGameVersions {
-        // Time since release of 18w49a, the first fabric version
-        SupportedGameVersions::PastDate(DateTime::from_naive_utc_and_offset(
-            NaiveDateTime::from_timestamp_opt(1543969469, 0).unwrap(),
-            Utc,
-        ))
+        SupportedGameVersions::All
     }
 
     fn validate(
@@ -32,6 +27,8 @@ impl super::Validator for FabricValidator {
             ));
         }
 
+        filter_out_packs(archive)?;
+
         Ok(ValidationResult::Pass)
     }
 }
diff --git a/src/validate/forge.rs b/src/validate/forge.rs
index 77b42b81..3f6ba480 100644
--- a/src/validate/forge.rs
+++ b/src/validate/forge.rs
@@ -1,4 +1,4 @@
-use crate::validate::{SupportedGameVersions, ValidationError, ValidationResult};
+use crate::validate::{filter_out_packs, SupportedGameVersions, ValidationError, ValidationResult};
 use chrono::{DateTime, NaiveDateTime, Utc};
 use std::io::Cursor;
 use zip::ZipArchive;
@@ -24,13 +24,17 @@ impl super::Validator for ForgeValidator {
 
     fn validate(
         &self,
-        _archive: &mut ZipArchive<Cursor<bytes::Bytes>>,
+        archive: &mut ZipArchive<Cursor<bytes::Bytes>>,
     ) -> Result<ValidationResult, ValidationError> {
-        // if archive.by_name("META-INF/mods.toml").is_err() {
-        //     return Ok(ValidationResult::Warning(
-        //         "No mods.toml present for Forge file.",
-        //     ));
-        // }
+        if archive.by_name("META-INF/mods.toml").is_err()
+            && !archive.file_names().any(|x| x.ends_with(".class"))
+        {
+            return Ok(ValidationResult::Warning(
+                "No mods.toml or valid class files present for Forge file.",
+            ));
+        }
+
+        filter_out_packs(archive)?;
 
         Ok(ValidationResult::Pass)
     }
@@ -51,11 +55,11 @@ impl super::Validator for LegacyForgeValidator {
         // Times between versions 1.5.2 to 1.12.2, which all use the legacy way of defining mods
         SupportedGameVersions::Range(
             DateTime::from_naive_utc_and_offset(
-                NaiveDateTime::from_timestamp_opt(1366818300, 0).unwrap(),
+                NaiveDateTime::from_timestamp_opt(0, 0).unwrap(),
                 Utc,
             ),
             DateTime::from_naive_utc_and_offset(
-                NaiveDateTime::from_timestamp_opt(1505810340, 0).unwrap(),
+                NaiveDateTime::from_timestamp_opt(1540122066, 0).unwrap(),
                 Utc,
             ),
         )
@@ -63,13 +67,17 @@ impl super::Validator for LegacyForgeValidator {
 
     fn validate(
         &self,
-        _archive: &mut ZipArchive<Cursor<bytes::Bytes>>,
+        archive: &mut ZipArchive<Cursor<bytes::Bytes>>,
     ) -> Result<ValidationResult, ValidationError> {
-        // if archive.by_name("mcmod.info").is_err() {
-        //     return Ok(ValidationResult::Warning(
-        //         "Forge mod file does not contain mcmod.info!",
-        //     ));
-        // };
+        if archive.by_name("mcmod.info").is_err()
+            && !archive.file_names().any(|x| x.ends_with(".class"))
+        {
+            return Ok(ValidationResult::Warning(
+                "Forge mod file does not contain mcmod.info or valid class files!",
+            ));
+        };
+
+        filter_out_packs(archive)?;
 
         Ok(ValidationResult::Pass)
     }
diff --git a/src/validate/liteloader.rs b/src/validate/liteloader.rs
index af88c027..7056d015 100644
--- a/src/validate/liteloader.rs
+++ b/src/validate/liteloader.rs
@@ -1,4 +1,4 @@
-use crate::validate::{SupportedGameVersions, ValidationError, ValidationResult};
+use crate::validate::{filter_out_packs, SupportedGameVersions, ValidationError, ValidationResult};
 use std::io::Cursor;
 use zip::ZipArchive;
 
@@ -27,6 +27,8 @@ impl super::Validator for LiteLoaderValidator {
             ));
         }
 
+        filter_out_packs(archive)?;
+
         Ok(ValidationResult::Pass)
     }
 }
diff --git a/src/validate/mod.rs b/src/validate/mod.rs
index 148d80b8..5f5c605f 100644
--- a/src/validate/mod.rs
+++ b/src/validate/mod.rs
@@ -9,9 +9,11 @@ use crate::validate::fabric::FabricValidator;
 use crate::validate::forge::{ForgeValidator, LegacyForgeValidator};
 use crate::validate::liteloader::LiteLoaderValidator;
 use crate::validate::modpack::ModpackValidator;
+use crate::validate::neoforge::NeoForgeValidator;
 use crate::validate::plugin::*;
 use crate::validate::quilt::QuiltValidator;
 use crate::validate::resourcepack::{PackValidator, TexturePackValidator};
+use crate::validate::rift::RiftValidator;
 use crate::validate::shader::{CanvasShaderValidator, CoreShaderValidator, ShaderValidator};
 use chrono::{DateTime, Utc};
 use std::io::Cursor;
@@ -23,9 +25,11 @@ mod fabric;
 mod forge;
 mod liteloader;
 mod modpack;
+mod neoforge;
 pub mod plugin;
 mod quilt;
 mod resourcepack;
+mod rift;
 mod shader;
 
 #[derive(Error, Debug)]
@@ -104,6 +108,8 @@ static VALIDATORS: &[&dyn Validator] = &[
     &ShaderValidator,
     &CoreShaderValidator,
     &DataPackValidator,
+    &RiftValidator,
+    &NeoForgeValidator,
 ];
 
 /// The return value is whether this file should be marked as primary or not, based on the analysis of the file
@@ -239,3 +245,22 @@ fn game_version_supported(
         }
     }
 }
+
+pub fn filter_out_packs(
+    archive: &mut ZipArchive<Cursor<bytes::Bytes>>,
+) -> Result<ValidationResult, ValidationError> {
+    if (archive.by_name("modlist.html").is_ok() && archive.by_name("manifest.json").is_ok())
+        || archive
+            .file_names()
+            .any(|x| x.starts_with("mods/") && x.ends_with(".jar"))
+        || archive
+            .file_names()
+            .any(|x| x.starts_with("override/mods/") && x.ends_with(".jar"))
+    {
+        return Ok(ValidationResult::Warning(
+            "Invalid modpack file. You must upload a valid .MRPACK file.",
+        ));
+    }
+
+    Ok(ValidationResult::Pass)
+}
diff --git a/src/validate/modpack.rs b/src/validate/modpack.rs
index cb6a7f87..43711996 100644
--- a/src/validate/modpack.rs
+++ b/src/validate/modpack.rs
@@ -48,6 +48,10 @@ impl super::Validator for ModpackValidator {
             ));
         }
 
+        if pack.files.is_empty() && !archive.file_names().any(|x| x.starts_with("overrides/")) {
+            return Err(ValidationError::InvalidInput("Pack has no files!".into()));
+        }
+
         for file in &pack.files {
             if !file.hashes.contains_key(&PackFileHash::Sha1) {
                 return Err(ValidationError::InvalidInput(
diff --git a/src/validate/neoforge.rs b/src/validate/neoforge.rs
new file mode 100644
index 00000000..8e20778e
--- /dev/null
+++ b/src/validate/neoforge.rs
@@ -0,0 +1,37 @@
+use crate::validate::{filter_out_packs, SupportedGameVersions, ValidationError, ValidationResult};
+use std::io::Cursor;
+use zip::ZipArchive;
+
+pub struct NeoForgeValidator;
+
+impl super::Validator for NeoForgeValidator {
+    fn get_file_extensions(&self) -> &[&str] {
+        &["jar", "zip"]
+    }
+
+    fn get_supported_loaders(&self) -> &[&str] {
+        &["forge"]
+    }
+
+    fn get_supported_game_versions(&self) -> SupportedGameVersions {
+        SupportedGameVersions::All
+    }
+
+    fn validate(
+        &self,
+        archive: &mut ZipArchive<Cursor<bytes::Bytes>>,
+    ) -> Result<ValidationResult, ValidationError> {
+        if archive.by_name("META-INF/mods.toml").is_err()
+            && archive.by_name("META-INF/neoforge.mods.toml").is_err()
+            && !archive.file_names().any(|x| x.ends_with(".class"))
+        {
+            return Ok(ValidationResult::Warning(
+                "No neoforge.mods.toml, mods.toml, or valid class files present for NeoForge file.",
+            ));
+        }
+
+        filter_out_packs(archive)?;
+
+        Ok(ValidationResult::Pass)
+    }
+}
diff --git a/src/validate/plugin.rs b/src/validate/plugin.rs
index a2b7e35c..9a8f44e7 100644
--- a/src/validate/plugin.rs
+++ b/src/validate/plugin.rs
@@ -10,7 +10,7 @@ impl super::Validator for PluginYmlValidator {
     }
 
     fn get_supported_loaders(&self) -> &[&str] {
-        &["bukkit", "spigot", "paper", "purpur"]
+        &["bukkit", "spigot", "paper", "purpur", "folia"]
     }
 
     fn get_supported_game_versions(&self) -> SupportedGameVersions {
diff --git a/src/validate/quilt.rs b/src/validate/quilt.rs
index 8e3e5b0a..0e7af803 100644
--- a/src/validate/quilt.rs
+++ b/src/validate/quilt.rs
@@ -1,4 +1,4 @@
-use crate::validate::{SupportedGameVersions, ValidationError, ValidationResult};
+use crate::validate::{filter_out_packs, SupportedGameVersions, ValidationError, ValidationResult};
 use chrono::{DateTime, NaiveDateTime, Utc};
 use std::io::Cursor;
 use zip::ZipArchive;
@@ -32,6 +32,8 @@ impl super::Validator for QuiltValidator {
             ));
         }
 
+        filter_out_packs(archive)?;
+
         Ok(ValidationResult::Pass)
     }
 }
diff --git a/src/validate/rift.rs b/src/validate/rift.rs
new file mode 100644
index 00000000..b8cc3d58
--- /dev/null
+++ b/src/validate/rift.rs
@@ -0,0 +1,34 @@
+use crate::validate::{filter_out_packs, SupportedGameVersions, ValidationError, ValidationResult};
+use std::io::Cursor;
+use zip::ZipArchive;
+
+pub struct RiftValidator;
+
+impl super::Validator for RiftValidator {
+    fn get_file_extensions(&self) -> &[&str] {
+        &["jar"]
+    }
+
+    fn get_supported_loaders(&self) -> &[&str] {
+        &["rift"]
+    }
+
+    fn get_supported_game_versions(&self) -> SupportedGameVersions {
+        SupportedGameVersions::All
+    }
+
+    fn validate(
+        &self,
+        archive: &mut ZipArchive<Cursor<bytes::Bytes>>,
+    ) -> Result<ValidationResult, ValidationError> {
+        if archive.by_name("riftmod.json").is_err() {
+            return Ok(ValidationResult::Warning(
+                "No riftmod.json present for Rift file.",
+            ));
+        }
+
+        filter_out_packs(archive)?;
+
+        Ok(ValidationResult::Pass)
+    }
+}
diff --git a/tests/common/dummy_data.rs b/tests/common/dummy_data.rs
index b2cdcb0c..853d08b4 100644
--- a/tests/common/dummy_data.rs
+++ b/tests/common/dummy_data.rs
@@ -102,6 +102,14 @@ impl TestFile {
             )
             .unwrap();
             zip.write_all(fabric_mod_json.as_bytes()).unwrap();
+
+            zip.start_file(
+                "META-INF/mods.toml",
+                FileOptions::default().compression_method(CompressionMethod::Stored),
+            )
+            .unwrap();
+            zip.write_all(fabric_mod_json.as_bytes()).unwrap();
+
             zip.finish().unwrap();
         }
         let bytes = cursor.into_inner();
@@ -117,7 +125,23 @@ impl TestFile {
             "game": "minecraft",
             "versionId": "1.20.1-9.6",
             "name": filename,
-            "files": [],
+            "files": [
+                {
+                    "path": "mods/animatica-0.6+1.20.jar",
+                    "hashes": {
+                        "sha1": "3bcb19c759f313e69d3f7848b03c48f15167b88d",
+                        "sha512": "7d50f3f34479f8b052bfb9e2482603b4906b8984039777dc2513ecf18e9af2b599c9d094e88cec774f8525345859e721a394c8cd7c14a789c9538d2533c71d65"
+                    },
+                    "env": {
+                        "client": "required",
+                        "server": "required"
+                    },
+                    "downloads": [
+                        "https://cdn.modrinth.com/data/PRN43VSY/versions/uNgEPb10/animatica-0.6%2B1.20.jar"
+                    ],
+                    "fileSize": 69810
+                }
+            ],
             "dependencies": {
                 "fabric-loader": "0.14.22",
                 "minecraft": "1.20.1"